Home / 445,192,212.60-667,788,318.90-328,966,065.90

Finding the Fourth Proportional to 445,192,212.60, 667,788,318.90 and 328,966,065.90

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Solution

The fourth proportional to 445,192,212.60, 667,788,318.90 and 328,966,065.90 is: 493,449,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,192,212.60 : 667,788,318.90 = 328,966,065.90 : x
  2. Step 2: Convert to fraction form
    445,192,212.60/667,788,318.90 = 328,966,065.90/x
  3. Step 3: Cross multiply
    445,192,212.60x = 667,788,318.90 × 328,966,065.90
  4. Step 4: Simplify right side
    445,192,212.60x = 219,679,696,122,507,584
  5. Step 5: Solve for x
    x = 219,679,696,122,507,584/445,192,212.60
  6. Step 6: Final answer
    x = 493,449,098.85

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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.