Home / 323,676,810.60-485,515,215.90-296,892,184.20

Finding the Fourth Proportional to 323,676,810.60, 485,515,215.90 and 296,892,184.20

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Solution

The fourth proportional to 323,676,810.60, 485,515,215.90 and 296,892,184.20 is: 445,338,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,676,810.60 : 485,515,215.90 = 296,892,184.20 : x
  2. Step 2: Convert to fraction form
    323,676,810.60/485,515,215.90 = 296,892,184.20/x
  3. Step 3: Cross multiply
    323,676,810.60x = 485,515,215.90 × 296,892,184.20
  4. Step 4: Simplify right side
    323,676,810.60x = 144,145,672,910,885,568
  5. Step 5: Solve for x
    x = 144,145,672,910,885,568/323,676,810.60
  6. Step 6: Final answer
    x = 445,338,276.30

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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.