Home / 729,759,295.58-1,007,067,508.86-395,231,834.92

Finding the Fourth Proportional to 729,759,295.58, 1,007,067,508.86 and 395,231,834.92

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Solution

The fourth proportional to 729,759,295.58, 1,007,067,508.86 and 395,231,834.92 is: 545,419,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,759,295.58 : 1,007,067,508.86 = 395,231,834.92 : x
  2. Step 2: Convert to fraction form
    729,759,295.58/1,007,067,508.86 = 395,231,834.92/x
  3. Step 3: Cross multiply
    729,759,295.58x = 1,007,067,508.86 × 395,231,834.92
  4. Step 4: Simplify right side
    729,759,295.58x = 398,025,139,415,051,200
  5. Step 5: Solve for x
    x = 398,025,139,415,051,200/729,759,295.58
  6. Step 6: Final answer
    x = 545,419,759.40

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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.