Home / 418,546,000.20-627,819,000.30-327,747,203.40

Finding the Fourth Proportional to 418,546,000.20, 627,819,000.30 and 327,747,203.40

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Solution

The fourth proportional to 418,546,000.20, 627,819,000.30 and 327,747,203.40 is: 491,620,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,546,000.20 : 627,819,000.30 = 327,747,203.40 : x
  2. Step 2: Convert to fraction form
    418,546,000.20/627,819,000.30 = 327,747,203.40/x
  3. Step 3: Cross multiply
    418,546,000.20x = 627,819,000.30 × 327,747,203.40
  4. Step 4: Simplify right side
    418,546,000.20x = 205,765,921,589,708,736
  5. Step 5: Solve for x
    x = 205,765,921,589,708,736/418,546,000.20
  6. Step 6: Final answer
    x = 491,620,805.10

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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.