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Is it true that the probabilities to have the same DNA with someone is 1 out of 46 000 000 000. If it is, since we’re seven and a half billion in the world, is there roughly 1 probability out of 6 (46 billion divided by 7,5 billion) that someone in the world has our same DNA ?

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Is it true that the probabilities to have the same DNA with someone is 1 out of 46 000 000 000. If it is, since we’re seven and a half billion in the world, is there roughly 1 probability out of 6 (46 billion divided by 7,5 billion) that someone in the world has our same DNA ?	1