Home / 378,922,764.97-568,404,220.51-116,787,361.28

Finding the Fourth Proportional to 378,922,764.97, 568,404,220.51 and 116,787,361.28

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Solution

The fourth proportional to 378,922,764.97, 568,404,220.51 and 116,787,361.28 is: 175,187,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,922,764.97 : 568,404,220.51 = 116,787,361.28 : x
  2. Step 2: Convert to fraction form
    378,922,764.97/568,404,220.51 = 116,787,361.28/x
  3. Step 3: Cross multiply
    378,922,764.97x = 568,404,220.51 × 116,787,361.28
  4. Step 4: Simplify right side
    378,922,764.97x = 66,382,429,053,221,472
  5. Step 5: Solve for x
    x = 66,382,429,053,221,472/378,922,764.97
  6. Step 6: Final answer
    x = 175,187,228.61

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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.