Home / 576,226,733.38-794,895,322.17-390,524,241.22

Finding the Fourth Proportional to 576,226,733.38, 794,895,322.17 and 390,524,241.22

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Solution

The fourth proportional to 576,226,733.38, 794,895,322.17 and 390,524,241.22 is: 538,721,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,226,733.38 : 794,895,322.17 = 390,524,241.22 : x
  2. Step 2: Convert to fraction form
    576,226,733.38/794,895,322.17 = 390,524,241.22/x
  3. Step 3: Cross multiply
    576,226,733.38x = 794,895,322.17 × 390,524,241.22
  4. Step 4: Simplify right side
    576,226,733.38x = 310,425,892,539,766,720
  5. Step 5: Solve for x
    x = 310,425,892,539,766,720/576,226,733.38
  6. Step 6: Final answer
    x = 538,721,781.82

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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.