Home / 381,560,699.60-572,530,006.20-217,924,110.80

Finding the Fourth Proportional to 381,560,699.60, 572,530,006.20 and 217,924,110.80

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Solution

The fourth proportional to 381,560,699.60, 572,530,006.20 and 217,924,110.80 is: 326,994,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,560,699.60 : 572,530,006.20 = 217,924,110.80 : x
  2. Step 2: Convert to fraction form
    381,560,699.60/572,530,006.20 = 217,924,110.80/x
  3. Step 3: Cross multiply
    381,560,699.60x = 572,530,006.20 × 217,924,110.80
  4. Step 4: Simplify right side
    381,560,699.60x = 124,768,092,507,453,504
  5. Step 5: Solve for x
    x = 124,768,092,507,453,504/381,560,699.60
  6. Step 6: Final answer
    x = 326,994,086.76

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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.