What is the last number in this series?

Question

7, 21, 63, 189.

If you'll give me a stupid answer and meaningless, If I were you, I would rather keep my mouth shout.

Thanks?

Answer 1

567

Answer 2

567

Answer 3

This is so easy

you just have to times the number by 3 to get the next one in the sequence

so 7x3=21

    21x3=63

    63x3=189

    189x3=567

so the next number is 567 and the one after that is 1701......:D

Answer 4

This is easy.

Basically, you just times the number by three to get the next.

so 7 (x3) 21 (x3) 63 (x3) 189 (x3) 567

567 is the next number.

Answer 5

567.

Answer 6

567 just times the last number by 3.

Answer 7

567  multiply each  number by 3

Answer 8

567.  Each number is multiplied by 3 to get the next number.