Home / 347,951,329.76-522,130,516.86-129,752,415.20

Finding the Fourth Proportional to 347,951,329.76, 522,130,516.86 and 129,752,415.20

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Solution

The fourth proportional to 347,951,329.76, 522,130,516.86 and 129,752,415.20 is: 194,704,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,951,329.76 : 522,130,516.86 = 129,752,415.20 : x
  2. Step 2: Convert to fraction form
    347,951,329.76/522,130,516.86 = 129,752,415.20/x
  3. Step 3: Cross multiply
    347,951,329.76x = 522,130,516.86 × 129,752,415.20
  4. Step 4: Simplify right side
    347,951,329.76x = 67,747,695,612,209,320
  5. Step 5: Solve for x
    x = 67,747,695,612,209,320/347,951,329.76
  6. Step 6: Final answer
    x = 194,704,517.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.