Home / 492,815,222.55-739,174,792.73-129,309,578.55

Finding the Fourth Proportional to 492,815,222.55, 739,174,792.73 and 129,309,578.55

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Solution

The fourth proportional to 492,815,222.55, 739,174,792.73 and 129,309,578.55 is: 193,951,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,815,222.55 : 739,174,792.73 = 129,309,578.55 : x
  2. Step 2: Convert to fraction form
    492,815,222.55/739,174,792.73 = 129,309,578.55/x
  3. Step 3: Cross multiply
    492,815,222.55x = 739,174,792.73 × 129,309,578.55
  4. Step 4: Simplify right side
    492,815,222.55x = 95,582,380,922,053,360
  5. Step 5: Solve for x
    x = 95,582,380,922,053,360/492,815,222.55
  6. Step 6: Final answer
    x = 193,951,762.34

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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.