Home / 394,733,999.20-592,100,998.80-107,519,663.20

Finding the Fourth Proportional to 394,733,999.20, 592,100,998.80 and 107,519,663.20

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Solution

The fourth proportional to 394,733,999.20, 592,100,998.80 and 107,519,663.20 is: 161,279,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,733,999.20 : 592,100,998.80 = 107,519,663.20 : x
  2. Step 2: Convert to fraction form
    394,733,999.20/592,100,998.80 = 107,519,663.20/x
  3. Step 3: Cross multiply
    394,733,999.20x = 592,100,998.80 × 107,519,663.20
  4. Step 4: Simplify right side
    394,733,999.20x = 63,662,499,971,359,600
  5. Step 5: Solve for x
    x = 63,662,499,971,359,600/394,733,999.20
  6. Step 6: Final answer
    x = 161,279,494.80

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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.