Home / 936,151,065-1,291,892,785.38-518,454,593.64

Finding the Fourth Proportional to 936,151,065, 1,291,892,785.38 and 518,454,593.64

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Solution

The fourth proportional to 936,151,065, 1,291,892,785.38 and 518,454,593.64 is: 715,469,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,151,065 : 1,291,892,785.38 = 518,454,593.64 : x
  2. Step 2: Convert to fraction form
    936,151,065/1,291,892,785.38 = 518,454,593.64/x
  3. Step 3: Cross multiply
    936,151,065x = 1,291,892,785.38 × 518,454,593.64
  4. Step 4: Simplify right side
    936,151,065x = 669,787,749,070,635,648
  5. Step 5: Solve for x
    x = 669,787,749,070,635,648/936,151,065
  6. Step 6: Final answer
    x = 715,469,729.31

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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.