Home / 475,092,023.20-712,638,034.80-398,564,519.20

Finding the Fourth Proportional to 475,092,023.20, 712,638,034.80 and 398,564,519.20

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Solution

The fourth proportional to 475,092,023.20, 712,638,034.80 and 398,564,519.20 is: 597,846,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,092,023.20 : 712,638,034.80 = 398,564,519.20 : x
  2. Step 2: Convert to fraction form
    475,092,023.20/712,638,034.80 = 398,564,519.20/x
  3. Step 3: Cross multiply
    475,092,023.20x = 712,638,034.80 × 398,564,519.20
  4. Step 4: Simplify right side
    475,092,023.20x = 284,032,235,703,694,848
  5. Step 5: Solve for x
    x = 284,032,235,703,694,848/475,092,023.20
  6. Step 6: Final answer
    x = 597,846,778.80

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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.