Home / 676,027,800.78-932,923,843.38-374,618,147.58

Finding the Fourth Proportional to 676,027,800.78, 932,923,843.38 and 374,618,147.58

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Solution

The fourth proportional to 676,027,800.78, 932,923,843.38 and 374,618,147.58 is: 516,976,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,027,800.78 : 932,923,843.38 = 374,618,147.58 : x
  2. Step 2: Convert to fraction form
    676,027,800.78/932,923,843.38 = 374,618,147.58/x
  3. Step 3: Cross multiply
    676,027,800.78x = 932,923,843.38 × 374,618,147.58
  4. Step 4: Simplify right side
    676,027,800.78x = 349,490,202,040,229,632
  5. Step 5: Solve for x
    x = 349,490,202,040,229,632/676,027,800.78
  6. Step 6: Final answer
    x = 516,976,079.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.