Home / 527,498,161.38-728,079,747.66-358,238,789.52

Finding the Fourth Proportional to 527,498,161.38, 728,079,747.66 and 358,238,789.52

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Solution

The fourth proportional to 527,498,161.38, 728,079,747.66 and 358,238,789.52 is: 494,459,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,498,161.38 : 728,079,747.66 = 358,238,789.52 : x
  2. Step 2: Convert to fraction form
    527,498,161.38/728,079,747.66 = 358,238,789.52/x
  3. Step 3: Cross multiply
    527,498,161.38x = 728,079,747.66 × 358,238,789.52
  4. Step 4: Simplify right side
    527,498,161.38x = 260,826,407,475,745,440
  5. Step 5: Solve for x
    x = 260,826,407,475,745,440/527,498,161.38
  6. Step 6: Final answer
    x = 494,459,367.96

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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.