Every person that was alive 7 thousand years ago has 389 billion descendants alive today.
Debate Rounds (3)
note: when arguing against this topic don't just say 'it doesn't make sense', use math.
Hello Ganguscon. Thank you for the debate. Your proposal is clearly nonsense. Not every person that was alive 7 thousand years ago would have lived to have descendants. Some would have died before reproducing. Many would have reproduced, but those descendant lines would have died off in subsequent generations. MOST people who were alive 7 thousand years ago would have NO descendants alive today.
Also note that the number of decedents in the first round was a typo, this is the correct figure:
389,002,009,100 or 389 Billion
Hello again. You really should have put "on average" somewhere in the resolution.
Here are some rough numbers. They don't need to be super-accurate to prove the point. I got them from this website http://www.prb.org....
world population for most of history: 10 million
by 1 A.D: 300 million
200 years ago: 1 billion
today: 6.5 billion
According to your formula, by about 200 A.D. each person would have 1.1^208, or about 400 million descendants, in other words the entire population of the world the time. Operating within your assumptions, every person alive at 300 A.D. was descended from everyone alive at 5000 B.C. From that point on, the number of descendants per person alive 7000 years ago would be identical with population growth, and this generation they would each have, on average, 6.5 billion descendants.
ganguscon forfeited this round.
And also if the world population goes from 10 million to 6.5 billion in 7000 years, the average generational increase is only just over 1.02 so your estimate was too generous.
I may have missed the point of this debate.
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