Home / 344,078,460.80-516,117,691.20-258,082,121.60

Finding the Fourth Proportional to 344,078,460.80, 516,117,691.20 and 258,082,121.60

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Solution

The fourth proportional to 344,078,460.80, 516,117,691.20 and 258,082,121.60 is: 387,123,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,078,460.80 : 516,117,691.20 = 258,082,121.60 : x
  2. Step 2: Convert to fraction form
    344,078,460.80/516,117,691.20 = 258,082,121.60/x
  3. Step 3: Cross multiply
    344,078,460.80x = 516,117,691.20 × 258,082,121.60
  4. Step 4: Simplify right side
    344,078,460.80x = 133,200,748,740,189,648
  5. Step 5: Solve for x
    x = 133,200,748,740,189,648/344,078,460.80
  6. Step 6: Final answer
    x = 387,123,182.40

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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.