Home / 658,535,306.13-908,519,494.73-380,023,013.97

Finding the Fourth Proportional to 658,535,306.13, 908,519,494.73 and 380,023,013.97

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Solution

The fourth proportional to 658,535,306.13, 908,519,494.73 and 380,023,013.97 is: 524,282,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,535,306.13 : 908,519,494.73 = 380,023,013.97 : x
  2. Step 2: Convert to fraction form
    658,535,306.13/908,519,494.73 = 380,023,013.97/x
  3. Step 3: Cross multiply
    658,535,306.13x = 908,519,494.73 × 380,023,013.97
  4. Step 4: Simplify right side
    658,535,306.13x = 345,258,316,635,896,064
  5. Step 5: Solve for x
    x = 345,258,316,635,896,064/658,535,306.13
  6. Step 6: Final answer
    x = 524,282,165.92

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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.