Home / 498,936,011.80-747,270,276.90-315,270,002.20

Finding the Fourth Proportional to 498,936,011.80, 747,270,276.90 and 315,270,002.20

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Solution

The fourth proportional to 498,936,011.80, 747,270,276.90 and 315,270,002.20 is: 472,188,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,936,011.80 : 747,270,276.90 = 315,270,002.20 : x
  2. Step 2: Convert to fraction form
    498,936,011.80/747,270,276.90 = 315,270,002.20/x
  3. Step 3: Cross multiply
    498,936,011.80x = 747,270,276.90 × 315,270,002.20
  4. Step 4: Simplify right side
    498,936,011.80x = 235,591,901,842,257,600
  5. Step 5: Solve for x
    x = 235,591,901,842,257,600/498,936,011.80
  6. Step 6: Final answer
    x = 472,188,609.90

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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.