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Finding the Fourth Proportional to 472,392,487.45, 708,588,731.18 and 414,996,859.45

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Solution

The fourth proportional to 472,392,487.45, 708,588,731.18 and 414,996,859.45 is: 622,495,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,487.45 : 708,588,731.18 = 414,996,859.45 : x
  2. Step 2: Convert to fraction form
    472,392,487.45/708,588,731.18 = 414,996,859.45/x
  3. Step 3: Cross multiply
    472,392,487.45x = 708,588,731.18 × 414,996,859.45
  4. Step 4: Simplify right side
    472,392,487.45x = 294,062,098,081,360,256
  5. Step 5: Solve for x
    x = 294,062,098,081,360,256/472,392,487.45
  6. Step 6: Final answer
    x = 622,495,289.18

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