Home / 433,102,654.80-649,653,982.20-331,065,982.80

Finding the Fourth Proportional to 433,102,654.80, 649,653,982.20 and 331,065,982.80

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Solution

The fourth proportional to 433,102,654.80, 649,653,982.20 and 331,065,982.80 is: 496,598,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,102,654.80 : 649,653,982.20 = 331,065,982.80 : x
  2. Step 2: Convert to fraction form
    433,102,654.80/649,653,982.20 = 331,065,982.80/x
  3. Step 3: Cross multiply
    433,102,654.80x = 649,653,982.20 × 331,065,982.80
  4. Step 4: Simplify right side
    433,102,654.80x = 215,078,334,096,976,736
  5. Step 5: Solve for x
    x = 215,078,334,096,976,736/433,102,654.80
  6. Step 6: Final answer
    x = 496,598,974.20

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Double scale
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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.