Finding the Fourth Proportional to 445,248,086.10, 622,073,300.70 and 445,248,086.10

Step by Step Solution

1. Step 1: Write the proportion equation
   445,248,086.10 : 622,073,300.70 = 445,248,086.10 : x
2. Step 2: Convert to fraction form
   445,248,086.10/622,073,300.70 = 445,248,086.10/x
3. Step 3: Cross multiply
   445,248,086.10x = 622,073,300.70 × 445,248,086.10
4. Step 4: Simplify right side
   445,248,086.10x = 276,976,946,550,584,832
5. Step 5: Solve for x
   x = 276,976,946,550,584,832/445,248,086.10
6. Step 6: Final answer
   x = 622,073,300.70