Home / 378,979,853.66-568,524,007.88-116,686,597.56

Finding the Fourth Proportional to 378,979,853.66, 568,524,007.88 and 116,686,597.56

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Solution

The fourth proportional to 378,979,853.66, 568,524,007.88 and 116,686,597.56 is: 175,046,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,979,853.66 : 568,524,007.88 = 116,686,597.56 : x
  2. Step 2: Convert to fraction form
    378,979,853.66/568,524,007.88 = 116,686,597.56/x
  3. Step 3: Cross multiply
    378,979,853.66x = 568,524,007.88 × 116,686,597.56
  4. Step 4: Simplify right side
    378,979,853.66x = 66,339,132,110,983,552
  5. Step 5: Solve for x
    x = 66,339,132,110,983,552/378,979,853.66
  6. Step 6: Final answer
    x = 175,046,592.77

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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.