Home / 440,320,470.80-660,478,081.80-112,795,350.80

Finding the Fourth Proportional to 440,320,470.80, 660,478,081.80 and 112,795,350.80

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Solution

The fourth proportional to 440,320,470.80, 660,478,081.80 and 112,795,350.80 is: 169,192,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,320,470.80 : 660,478,081.80 = 112,795,350.80 : x
  2. Step 2: Convert to fraction form
    440,320,470.80/660,478,081.80 = 112,795,350.80/x
  3. Step 3: Cross multiply
    440,320,470.80x = 660,478,081.80 × 112,795,350.80
  4. Step 4: Simplify right side
    440,320,470.80x = 74,498,856,932,342,096
  5. Step 5: Solve for x
    x = 74,498,856,932,342,096/440,320,470.80
  6. Step 6: Final answer
    x = 169,192,353.92

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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.