Finding the Fourth Proportional to 3,669,786,031.98, 5,504,679,047.99 and 3,669,786,031.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,786,031.98 : 5,504,679,047.99 = 3,669,786,031.98 : x
2. Step 2: Convert to fraction form
   3,669,786,031.98/5,504,679,047.99 = 3,669,786,031.98/x
3. Step 3: Cross multiply
   3,669,786,031.98x = 5,504,679,047.99 × 3,669,786,031.98
4. Step 4: Simplify right side
   3,669,786,031.98x = 20,200,994,280,846,663,680
5. Step 5: Solve for x
   x = 20,200,994,280,846,663,680/3,669,786,031.98
6. Step 6: Final answer
   x = 5,504,679,047.99