Home / 455,543,838.16-683,432,280.60-132,427,710.16

Finding the Fourth Proportional to 455,543,838.16, 683,432,280.60 and 132,427,710.16

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Solution

The fourth proportional to 455,543,838.16, 683,432,280.60 and 132,427,710.16 is: 198,675,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,543,838.16 : 683,432,280.60 = 132,427,710.16 : x
  2. Step 2: Convert to fraction form
    455,543,838.16/683,432,280.60 = 132,427,710.16/x
  3. Step 3: Cross multiply
    455,543,838.16x = 683,432,280.60 × 132,427,710.16
  4. Step 4: Simplify right side
    455,543,838.16x = 90,505,371,969,284,592
  5. Step 5: Solve for x
    x = 90,505,371,969,284,592/455,543,838.16
  6. Step 6: Final answer
    x = 198,675,438.87

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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.