Home / 475,288,092.20-712,932,138.30-458,069,403.80

Finding the Fourth Proportional to 475,288,092.20, 712,932,138.30 and 458,069,403.80

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Solution

The fourth proportional to 475,288,092.20, 712,932,138.30 and 458,069,403.80 is: 687,104,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,288,092.20 : 712,932,138.30 = 458,069,403.80 : x
  2. Step 2: Convert to fraction form
    475,288,092.20/712,932,138.30 = 458,069,403.80/x
  3. Step 3: Cross multiply
    475,288,092.20x = 712,932,138.30 × 458,069,403.80
  4. Step 4: Simplify right side
    475,288,092.20x = 326,572,399,540,940,160
  5. Step 5: Solve for x
    x = 326,572,399,540,940,160/475,288,092.20
  6. Step 6: Final answer
    x = 687,104,105.70

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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.