Home / 885,736,276.20-1,328,604,414.30-272,240,785.80

Finding the Fourth Proportional to 885,736,276.20, 1,328,604,414.30 and 272,240,785.80

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Solution

The fourth proportional to 885,736,276.20, 1,328,604,414.30 and 272,240,785.80 is: 408,361,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,276.20 : 1,328,604,414.30 = 272,240,785.80 : x
  2. Step 2: Convert to fraction form
    885,736,276.20/1,328,604,414.30 = 272,240,785.80/x
  3. Step 3: Cross multiply
    885,736,276.20x = 1,328,604,414.30 × 272,240,785.80
  4. Step 4: Simplify right side
    885,736,276.20x = 361,700,309,766,380,736
  5. Step 5: Solve for x
    x = 361,700,309,766,380,736/885,736,276.20
  6. Step 6: Final answer
    x = 408,361,178.70

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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.