Home / 656,229,659.20-984,344,488.80-628,272,001.60

Finding the Fourth Proportional to 656,229,659.20, 984,344,488.80 and 628,272,001.60

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Solution

The fourth proportional to 656,229,659.20, 984,344,488.80 and 628,272,001.60 is: 942,408,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,229,659.20 : 984,344,488.80 = 628,272,001.60 : x
  2. Step 2: Convert to fraction form
    656,229,659.20/984,344,488.80 = 628,272,001.60/x
  3. Step 3: Cross multiply
    656,229,659.20x = 984,344,488.80 × 628,272,001.60
  4. Step 4: Simplify right side
    656,229,659.20x = 618,436,082,242,304,768
  5. Step 5: Solve for x
    x = 618,436,082,242,304,768/656,229,659.20
  6. Step 6: Final answer
    x = 942,408,002.40

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1.5x scale

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.