Finding the Fourth Proportional to 3,485,382,026.15, 4,891,779,237.25 and 3,485,382,026.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485,382,026.15 : 4,891,779,237.25 = 3,485,382,026.15 : x
2. Step 2: Convert to fraction form
   3,485,382,026.15/4,891,779,237.25 = 3,485,382,026.15/x
3. Step 3: Cross multiply
   3,485,382,026.15x = 4,891,779,237.25 × 3,485,382,026.15
4. Step 4: Simplify right side
   3,485,382,026.15x = 17,049,719,429,404,907,520
5. Step 5: Solve for x
   x = 17,049,719,429,404,907,520/3,485,382,026.15
6. Step 6: Final answer
   x = 4,891,779,237.25