Home / 297,217,400.60-445,400,948.10-218,882,997.20

Finding the Fourth Proportional to 297,217,400.60, 445,400,948.10 and 218,882,997.20

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Solution

The fourth proportional to 297,217,400.60, 445,400,948.10 and 218,882,997.20 is: 328,011,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,217,400.60 : 445,400,948.10 = 218,882,997.20 : x
  2. Step 2: Convert to fraction form
    297,217,400.60/445,400,948.10 = 218,882,997.20/x
  3. Step 3: Cross multiply
    297,217,400.60x = 445,400,948.10 × 218,882,997.20
  4. Step 4: Simplify right side
    297,217,400.60x = 97,490,694,475,849,648
  5. Step 5: Solve for x
    x = 97,490,694,475,849,648/297,217,400.60
  6. Step 6: Final answer
    x = 328,011,395.96

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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.