Home / 478,373,057,540.40-717,467,753,305.80-142,998,924,010.80

Finding the Fourth Proportional to 478,373,057,540.40, 717,467,753,305.80 and 142,998,924,010.80

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Solution

The fourth proportional to 478,373,057,540.40, 717,467,753,305.80 and 142,998,924,010.80 is: 214,470,934,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,373,057,540.40 : 717,467,753,305.80 = 142,998,924,010.80 : x
  2. Step 2: Convert to fraction form
    478,373,057,540.40/717,467,753,305.80 = 142,998,924,010.80/x
  3. Step 3: Cross multiply
    478,373,057,540.40x = 717,467,753,305.80 × 142,998,924,010.80
  4. Step 4: Simplify right side
    478,373,057,540.40x = 102,597,116,735,175,492,894,720
  5. Step 5: Solve for x
    x = 102,597,116,735,175,492,894,720/478,373,057,540.40
  6. Step 6: Final answer
    x = 214,470,934,593.78

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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.