Home / 531,904,910.70-797,857,366.05-168,399,266.70

Finding the Fourth Proportional to 531,904,910.70, 797,857,366.05 and 168,399,266.70

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Solution

The fourth proportional to 531,904,910.70, 797,857,366.05 and 168,399,266.70 is: 252,598,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,904,910.70 : 797,857,366.05 = 168,399,266.70 : x
  2. Step 2: Convert to fraction form
    531,904,910.70/797,857,366.05 = 168,399,266.70/x
  3. Step 3: Cross multiply
    531,904,910.70x = 797,857,366.05 × 168,399,266.70
  4. Step 4: Simplify right side
    531,904,910.70x = 134,358,595,374,013,456
  5. Step 5: Solve for x
    x = 134,358,595,374,013,456/531,904,910.70
  6. Step 6: Final answer
    x = 252,598,900.05

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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.