Home / 445,192,213.60-667,788,320.40-328,966,066.90

Finding the Fourth Proportional to 445,192,213.60, 667,788,320.40 and 328,966,066.90

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Solution

The fourth proportional to 445,192,213.60, 667,788,320.40 and 328,966,066.90 is: 493,449,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,192,213.60 : 667,788,320.40 = 328,966,066.90 : x
  2. Step 2: Convert to fraction form
    445,192,213.60/667,788,320.40 = 328,966,066.90/x
  3. Step 3: Cross multiply
    445,192,213.60x = 667,788,320.40 × 328,966,066.90
  4. Step 4: Simplify right side
    445,192,213.60x = 219,679,697,283,745,024
  5. Step 5: Solve for x
    x = 219,679,697,283,745,024/445,192,213.60
  6. Step 6: Final answer
    x = 493,449,100.35

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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.