complete the pattern:1,2/3,4/9,4,4,4

Answer 1

Are you certain you have it correctly?

The 4,4,4 at the end is odd

1, 2/3, 4/9, 8/27, 16/81, ... is a geometric sequence.

Answer 2

1,2/3,4/9,8/27,16/81,32/243

If you meant 4 as in blank