Finding the Fourth Proportional to 1,456,838,675, 2,185,276,613.82 and 421,700,552.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,838,675 : 2,185,276,613.82 = 421,700,552.42 : x
2. Step 2: Convert to fraction form
   1,456,838,675/2,185,276,613.82 = 421,700,552.42/x
3. Step 3: Cross multiply
   1,456,838,675x = 2,185,276,613.82 × 421,700,552.42
4. Step 4: Simplify right side
   1,456,838,675x = 921,532,355,238,401,152
5. Step 5: Solve for x
   x = 921,532,355,238,401,152/1,456,838,675
6. Step 6: Final answer
   x = 632,556,213.02