Home / 664,275,487.60-996,413,231.40-615,902,546.80

Finding the Fourth Proportional to 664,275,487.60, 996,413,231.40 and 615,902,546.80

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Solution

The fourth proportional to 664,275,487.60, 996,413,231.40 and 615,902,546.80 is: 923,853,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,275,487.60 : 996,413,231.40 = 615,902,546.80 : x
  2. Step 2: Convert to fraction form
    664,275,487.60/996,413,231.40 = 615,902,546.80/x
  3. Step 3: Cross multiply
    664,275,487.60x = 996,413,231.40 × 615,902,546.80
  4. Step 4: Simplify right side
    664,275,487.60x = 613,693,446,884,477,696
  5. Step 5: Solve for x
    x = 613,693,446,884,477,696/664,275,487.60
  6. Step 6: Final answer
    x = 923,853,820.20

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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.