Home / 378,922,763.49-568,404,218.29-116,787,359.81

Finding the Fourth Proportional to 378,922,763.49, 568,404,218.29 and 116,787,359.81

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Solution

The fourth proportional to 378,922,763.49, 568,404,218.29 and 116,787,359.81 is: 175,187,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,922,763.49 : 568,404,218.29 = 116,787,359.81 : x
  2. Step 2: Convert to fraction form
    378,922,763.49/568,404,218.29 = 116,787,359.81/x
  3. Step 3: Cross multiply
    378,922,763.49x = 568,404,218.29 × 116,787,359.81
  4. Step 4: Simplify right side
    378,922,763.49x = 66,382,427,957,550,464
  5. Step 5: Solve for x
    x = 66,382,427,957,550,464/378,922,763.49
  6. Step 6: Final answer
    x = 175,187,226.40

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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.