Home / 501,893,948.70-752,840,923.05-398,581,818.30

Finding the Fourth Proportional to 501,893,948.70, 752,840,923.05 and 398,581,818.30

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Solution

The fourth proportional to 501,893,948.70, 752,840,923.05 and 398,581,818.30 is: 597,872,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,893,948.70 : 752,840,923.05 = 398,581,818.30 : x
  2. Step 2: Convert to fraction form
    501,893,948.70/752,840,923.05 = 398,581,818.30/x
  3. Step 3: Cross multiply
    501,893,948.70x = 752,840,923.05 × 398,581,818.30
  4. Step 4: Simplify right side
    501,893,948.70x = 300,068,703,999,919,360
  5. Step 5: Solve for x
    x = 300,068,703,999,919,360/501,893,948.70
  6. Step 6: Final answer
    x = 597,872,727.45

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Double scale
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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.