Home / 798,098,931.82-1,101,366,122.79-445,681,115.38

Finding the Fourth Proportional to 798,098,931.82, 1,101,366,122.79 and 445,681,115.38

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Solution

The fourth proportional to 798,098,931.82, 1,101,366,122.79 and 445,681,115.38 is: 615,034,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,098,931.82 : 1,101,366,122.79 = 445,681,115.38 : x
  2. Step 2: Convert to fraction form
    798,098,931.82/1,101,366,122.79 = 445,681,115.38/x
  3. Step 3: Cross multiply
    798,098,931.82x = 1,101,366,122.79 × 445,681,115.38
  4. Step 4: Simplify right side
    798,098,931.82x = 490,858,082,046,793,216
  5. Step 5: Solve for x
    x = 490,858,082,046,793,216/798,098,931.82
  6. Step 6: Final answer
    x = 615,034,129.83

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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.