How would the gravitational force between Earth and the Moon change if the distance between the two objects doubled, but all other factors stayed the same?

Responses

The gravitational force between Earth and the Moon would completely disappear.
The gravitational force between Earth and the Moon would completely disappear.

The gravitational force between Earth and the Moon would increase by a proportional amount.
The gravitational force between Earth and the Moon would increase by a proportional amount.

The gravitational force between Earth and the Moon would decrease by a proportional amount.
The gravitational force between Earth and the Moon would decrease by a proportional amount.

The gravitational force between Earth and the Moon would remain constant.

The gravitational force between Earth and the Moon would decrease by a proportional amount.