Home / 378,922,764.95-568,404,220.47-116,787,361.26

Finding the Fourth Proportional to 378,922,764.95, 568,404,220.47 and 116,787,361.26

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Solution

The fourth proportional to 378,922,764.95, 568,404,220.47 and 116,787,361.26 is: 175,187,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,922,764.95 : 568,404,220.47 = 116,787,361.26 : x
  2. Step 2: Convert to fraction form
    378,922,764.95/568,404,220.47 = 116,787,361.26/x
  3. Step 3: Cross multiply
    378,922,764.95x = 568,404,220.47 × 116,787,361.26
  4. Step 4: Simplify right side
    378,922,764.95x = 66,382,429,038,176,536
  5. Step 5: Solve for x
    x = 66,382,429,038,176,536/378,922,764.95
  6. Step 6: Final answer
    x = 175,187,228.58

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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.