Home / 412,656,017.10-618,984,025.65-274,906,509.90

Finding the Fourth Proportional to 412,656,017.10, 618,984,025.65 and 274,906,509.90

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Solution

The fourth proportional to 412,656,017.10, 618,984,025.65 and 274,906,509.90 is: 412,359,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,656,017.10 : 618,984,025.65 = 274,906,509.90 : x
  2. Step 2: Convert to fraction form
    412,656,017.10/618,984,025.65 = 274,906,509.90/x
  3. Step 3: Cross multiply
    412,656,017.10x = 618,984,025.65 × 274,906,509.90
  4. Step 4: Simplify right side
    412,656,017.10x = 170,162,738,175,293,568
  5. Step 5: Solve for x
    x = 170,162,738,175,293,568/412,656,017.10
  6. Step 6: Final answer
    x = 412,359,764.85

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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.