Finding the Fourth Proportional to 2,175,390,851,456, 3,002,048,708,101.60 and 1,186,621,513,651.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,390,851,456 : 3,002,048,708,101.60 = 1,186,621,513,651.50 : x
2. Step 2: Convert to fraction form
   2,175,390,851,456/3,002,048,708,101.60 = 1,186,621,513,651.50/x
3. Step 3: Cross multiply
   2,175,390,851,456x = 3,002,048,708,101.60 × 1,186,621,513,651.50
4. Step 4: Simplify right side
   2,175,390,851,456x = 3,562,295,582,063,050,694,328,320
5. Step 5: Solve for x
   x = 3,562,295,582,063,050,694,328,320/2,175,390,851,456
6. Step 6: Final answer
   x = 1,637,542,779,808.41