Home / 727,434,440.87-1,091,841,505.35-450,247,190.96

Finding the Fourth Proportional to 727,434,440.87, 1,091,841,505.35 and 450,247,190.96

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Solution

The fourth proportional to 727,434,440.87, 1,091,841,505.35 and 450,247,190.96 is: 675,797,766.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,434,440.87 : 1,091,841,505.35 = 450,247,190.96 : x
  2. Step 2: Convert to fraction form
    727,434,440.87/1,091,841,505.35 = 450,247,190.96/x
  3. Step 3: Cross multiply
    727,434,440.87x = 1,091,841,505.35 × 450,247,190.96
  4. Step 4: Simplify right side
    727,434,440.87x = 491,598,570,757,375,232
  5. Step 5: Solve for x
    x = 491,598,570,757,375,232/727,434,440.87
  6. Step 6: Final answer
    x = 675,797,766.97

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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.