Home / 667,341,666.30-1,001,012,499.45-394,572,027.90

Finding the Fourth Proportional to 667,341,666.30, 1,001,012,499.45 and 394,572,027.90

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Solution

The fourth proportional to 667,341,666.30, 1,001,012,499.45 and 394,572,027.90 is: 591,858,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,341,666.30 : 1,001,012,499.45 = 394,572,027.90 : x
  2. Step 2: Convert to fraction form
    667,341,666.30/1,001,012,499.45 = 394,572,027.90/x
  3. Step 3: Cross multiply
    667,341,666.30x = 1,001,012,499.45 × 394,572,027.90
  4. Step 4: Simplify right side
    667,341,666.30x = 394,971,531,861,234,112
  5. Step 5: Solve for x
    x = 394,971,531,861,234,112/667,341,666.30
  6. Step 6: Final answer
    x = 591,858,041.85

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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.