Home / 699,339,789.24-965,063,608.80-386,067,276.56

Finding the Fourth Proportional to 699,339,789.24, 965,063,608.80 and 386,067,276.56

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Solution

The fourth proportional to 699,339,789.24, 965,063,608.80 and 386,067,276.56 is: 532,758,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,339,789.24 : 965,063,608.80 = 386,067,276.56 : x
  2. Step 2: Convert to fraction form
    699,339,789.24/965,063,608.80 = 386,067,276.56/x
  3. Step 3: Cross multiply
    699,339,789.24x = 965,063,608.80 × 386,067,276.56
  4. Step 4: Simplify right side
    699,339,789.24x = 372,579,479,156,581,248
  5. Step 5: Solve for x
    x = 372,579,479,156,581,248/699,339,789.24
  6. Step 6: Final answer
    x = 532,758,874.71

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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.