Home / 634,542,824.23-949,587,443.17-509,738,781.53

Finding the Fourth Proportional to 634,542,824.23, 949,587,443.17 and 509,738,781.53

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Solution

The fourth proportional to 634,542,824.23, 949,587,443.17 and 509,738,781.53 is: 762,819,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,542,824.23 : 949,587,443.17 = 509,738,781.53 : x
  2. Step 2: Convert to fraction form
    634,542,824.23/949,587,443.17 = 509,738,781.53/x
  3. Step 3: Cross multiply
    634,542,824.23x = 949,587,443.17 × 509,738,781.53
  4. Step 4: Simplify right side
    634,542,824.23x = 484,041,546,233,407,872
  5. Step 5: Solve for x
    x = 484,041,546,233,407,872/634,542,824.23
  6. Step 6: Final answer
    x = 762,819,352.38

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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.