Home / 455,543,825.28-683,432,261.36-132,427,697.28

Finding the Fourth Proportional to 455,543,825.28, 683,432,261.36 and 132,427,697.28

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Solution

The fourth proportional to 455,543,825.28, 683,432,261.36 and 132,427,697.28 is: 198,675,419.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,543,825.28 : 683,432,261.36 = 132,427,697.28 : x
  2. Step 2: Convert to fraction form
    455,543,825.28/683,432,261.36 = 132,427,697.28/x
  3. Step 3: Cross multiply
    455,543,825.28x = 683,432,261.36 × 132,427,697.28
  4. Step 4: Simplify right side
    455,543,825.28x = 90,505,360,618,767,920
  5. Step 5: Solve for x
    x = 90,505,360,618,767,920/455,543,825.28
  6. Step 6: Final answer
    x = 198,675,419.57

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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.