Home / 552,564,761.28-762,519,380.16-305,040,800.64

Finding the Fourth Proportional to 552,564,761.28, 762,519,380.16 and 305,040,800.64

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Solution

The fourth proportional to 552,564,761.28, 762,519,380.16 and 305,040,800.64 is: 420,945,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,564,761.28 : 762,519,380.16 = 305,040,800.64 : x
  2. Step 2: Convert to fraction form
    552,564,761.28/762,519,380.16 = 305,040,800.64/x
  3. Step 3: Cross multiply
    552,564,761.28x = 762,519,380.16 × 305,040,800.64
  4. Step 4: Simplify right side
    552,564,761.28x = 232,599,522,227,522,912
  5. Step 5: Solve for x
    x = 232,599,522,227,522,912/552,564,761.28
  6. Step 6: Final answer
    x = 420,945,269.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.