Home / 749,026,953.60-1,123,540,430.40-458,789,308.80

Finding the Fourth Proportional to 749,026,953.60, 1,123,540,430.40 and 458,789,308.80

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Solution

The fourth proportional to 749,026,953.60, 1,123,540,430.40 and 458,789,308.80 is: 688,183,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,026,953.60 : 1,123,540,430.40 = 458,789,308.80 : x
  2. Step 2: Convert to fraction form
    749,026,953.60/1,123,540,430.40 = 458,789,308.80/x
  3. Step 3: Cross multiply
    749,026,953.60x = 1,123,540,430.40 × 458,789,308.80
  4. Step 4: Simplify right side
    749,026,953.60x = 515,468,337,472,070,592
  5. Step 5: Solve for x
    x = 515,468,337,472,070,592/749,026,953.60
  6. Step 6: Final answer
    x = 688,183,963.20

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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.