Finding the Fourth Proportional to 497,976,064.52, 743,735,514.53 and 451,196,085.60

Step by Step Solution

1. Step 1: Write the proportion equation
   497,976,064.52 : 743,735,514.53 = 451,196,085.60 : x
2. Step 2: Convert to fraction form
   497,976,064.52/743,735,514.53 = 451,196,085.60/x
3. Step 3: Cross multiply
   497,976,064.52x = 743,735,514.53 × 451,196,085.60
4. Step 4: Simplify right side
   497,976,064.52x = 335,570,552,875,381,952
5. Step 5: Solve for x
   x = 335,570,552,875,381,952/497,976,064.52
6. Step 6: Final answer
   x = 673,868,839.87