Home / 500,747,904.24-750,591,724.20-168,438,561.36

Finding the Fourth Proportional to 500,747,904.24, 750,591,724.20 and 168,438,561.36

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Solution

The fourth proportional to 500,747,904.24, 750,591,724.20 and 168,438,561.36 is: 252,479,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,747,904.24 : 750,591,724.20 = 168,438,561.36 : x
  2. Step 2: Convert to fraction form
    500,747,904.24/750,591,724.20 = 168,438,561.36/x
  3. Step 3: Cross multiply
    500,747,904.24x = 750,591,724.20 × 168,438,561.36
  4. Step 4: Simplify right side
    500,747,904.24x = 126,428,590,192,969,920
  5. Step 5: Solve for x
    x = 126,428,590,192,969,920/500,747,904.24
  6. Step 6: Final answer
    x = 252,479,519.38

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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.