Home / 478,910,902.60-718,472,642.10-220,063,706.20

Finding the Fourth Proportional to 478,910,902.60, 718,472,642.10 and 220,063,706.20

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Solution

The fourth proportional to 478,910,902.60, 718,472,642.10 and 220,063,706.20 is: 330,144,399.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,910,902.60 : 718,472,642.10 = 220,063,706.20 : x
  2. Step 2: Convert to fraction form
    478,910,902.60/718,472,642.10 = 220,063,706.20/x
  3. Step 3: Cross multiply
    478,910,902.60x = 718,472,642.10 × 220,063,706.20
  4. Step 4: Simplify right side
    478,910,902.60x = 158,109,752,423,832,160
  5. Step 5: Solve for x
    x = 158,109,752,423,832,160/478,910,902.60
  6. Step 6: Final answer
    x = 330,144,399.65

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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.