If I make more than one bet and hit one of them, and another person who has just made an bet and has also successful...
He win the same amount as me?
I don't understand very well what you are asking. Can you explain yourself better?
If you mean that you and the other player bet the same four numbers and then both result to be the winners of the jackpot, as it is explained in the F.A.Q. section on the main post, the price will be evenly divided between both of you.