Home / 542,658,511.29-814,322,575.68-251,471,358.57

Finding the Fourth Proportional to 542,658,511.29, 814,322,575.68 and 251,471,358.57

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Solution

The fourth proportional to 542,658,511.29, 814,322,575.68 and 251,471,358.57 is: 377,362,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,658,511.29 : 814,322,575.68 = 251,471,358.57 : x
  2. Step 2: Convert to fraction form
    542,658,511.29/814,322,575.68 = 251,471,358.57/x
  3. Step 3: Cross multiply
    542,658,511.29x = 814,322,575.68 × 251,471,358.57
  4. Step 4: Simplify right side
    542,658,511.29x = 204,778,804,419,213,856
  5. Step 5: Solve for x
    x = 204,778,804,419,213,856/542,658,511.29
  6. Step 6: Final answer
    x = 377,362,190.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.