Home / 664,275,440.60-996,413,160.90-615,902,499.80

Finding the Fourth Proportional to 664,275,440.60, 996,413,160.90 and 615,902,499.80

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Solution

The fourth proportional to 664,275,440.60, 996,413,160.90 and 615,902,499.80 is: 923,853,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,275,440.60 : 996,413,160.90 = 615,902,499.80 : x
  2. Step 2: Convert to fraction form
    664,275,440.60/996,413,160.90 = 615,902,499.80/x
  3. Step 3: Cross multiply
    664,275,440.60x = 996,413,160.90 × 615,902,499.80
  4. Step 4: Simplify right side
    664,275,440.60x = 613,693,356,631,929,600
  5. Step 5: Solve for x
    x = 613,693,356,631,929,600/664,275,440.60
  6. Step 6: Final answer
    x = 923,853,749.70

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Double scale
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Similar ratio
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1.5x scale

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.