Home / 418,546,003.20-627,819,004.80-327,747,206.40

Finding the Fourth Proportional to 418,546,003.20, 627,819,004.80 and 327,747,206.40

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Solution

The fourth proportional to 418,546,003.20, 627,819,004.80 and 327,747,206.40 is: 491,620,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,546,003.20 : 627,819,004.80 = 327,747,206.40 : x
  2. Step 2: Convert to fraction form
    418,546,003.20/627,819,004.80 = 327,747,206.40/x
  3. Step 3: Cross multiply
    418,546,003.20x = 627,819,004.80 × 327,747,206.40
  4. Step 4: Simplify right side
    418,546,003.20x = 205,765,924,948,028,160
  5. Step 5: Solve for x
    x = 205,765,924,948,028,160/418,546,003.20
  6. Step 6: Final answer
    x = 491,620,809.60

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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.