Home / 517,577,940.72-775,791,846.18-394,350,004.14

Finding the Fourth Proportional to 517,577,940.72, 775,791,846.18 and 394,350,004.14

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Solution

The fourth proportional to 517,577,940.72, 775,791,846.18 and 394,350,004.14 is: 591,086,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,577,940.72 : 775,791,846.18 = 394,350,004.14 : x
  2. Step 2: Convert to fraction form
    517,577,940.72/775,791,846.18 = 394,350,004.14/x
  3. Step 3: Cross multiply
    517,577,940.72x = 775,791,846.18 × 394,350,004.14
  4. Step 4: Simplify right side
    517,577,940.72x = 305,933,517,752,861,184
  5. Step 5: Solve for x
    x = 305,933,517,752,861,184/517,577,940.72
  6. Step 6: Final answer
    x = 591,086,856.07

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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.