Home / 664,434,064.60-996,651,096.90-319,304,469.40

Finding the Fourth Proportional to 664,434,064.60, 996,651,096.90 and 319,304,469.40

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Solution

The fourth proportional to 664,434,064.60, 996,651,096.90 and 319,304,469.40 is: 478,956,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,434,064.60 : 996,651,096.90 = 319,304,469.40 : x
  2. Step 2: Convert to fraction form
    664,434,064.60/996,651,096.90 = 319,304,469.40/x
  3. Step 3: Cross multiply
    664,434,064.60x = 996,651,096.90 × 319,304,469.40
  4. Step 4: Simplify right side
    664,434,064.60x = 318,235,149,672,582,464
  5. Step 5: Solve for x
    x = 318,235,149,672,582,464/664,434,064.60
  6. Step 6: Final answer
    x = 478,956,704.10

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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.