As the philosophical thought process increases in the western world and in islam, they will start migrating towards the hindu philosophy or different paths to the same God.
Most of the religions are young (<2000 years) when compared to Hinduism (~ 5000 years). By the time another three milleniums are completed, there will be a significant change in the spirituality of the religions. It is inevitable for the other religions to follow the path of Hinduism.
Not true.
Islam (and related two religions) date back to the creation of Adam.
Rest of the part is completely false imagination and hope of yours. Which you might be entitled to.