Home / 378,922,766.85-568,404,223.32-116,787,363.16

Finding the Fourth Proportional to 378,922,766.85, 568,404,223.32 and 116,787,363.16

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Solution

The fourth proportional to 378,922,766.85, 568,404,223.32 and 116,787,363.16 is: 175,187,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,922,766.85 : 568,404,223.32 = 116,787,363.16 : x
  2. Step 2: Convert to fraction form
    378,922,766.85/568,404,223.32 = 116,787,363.16/x
  3. Step 3: Cross multiply
    378,922,766.85x = 568,404,223.32 × 116,787,363.16
  4. Step 4: Simplify right side
    378,922,766.85x = 66,382,430,447,708,568
  5. Step 5: Solve for x
    x = 66,382,430,447,708,568/378,922,766.85
  6. Step 6: Final answer
    x = 175,187,231.43

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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.