The total land area of the world is about 14900 square kilometers, and Asia accounts for 29.5%. Asia has a population of 4.07 billion people. Q: how many square kilometers of land area does each person occupy The total land area of the world is not 14900 square kilometers, it is 1490 million square kilometers!

Area per capita = total area ／ total population (total population = Asian population ／ proportion)
=149000000÷（4070000000÷29％）
=14900000 △ 14034482758 (take integer)
≈0.11

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