Home / 378,979,853.83-568,524,008.18-116,686,597.75

Finding the Fourth Proportional to 378,979,853.83, 568,524,008.18 and 116,686,597.75

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Solution

The fourth proportional to 378,979,853.83, 568,524,008.18 and 116,686,597.75 is: 175,046,593.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,979,853.83 : 568,524,008.18 = 116,686,597.75 : x
  2. Step 2: Convert to fraction form
    378,979,853.83/568,524,008.18 = 116,686,597.75/x
  3. Step 3: Cross multiply
    378,979,853.83x = 568,524,008.18 × 116,686,597.75
  4. Step 4: Simplify right side
    378,979,853.83x = 66,339,132,252,590,112
  5. Step 5: Solve for x
    x = 66,339,132,252,590,112/378,979,853.83
  6. Step 6: Final answer
    x = 175,046,593.06

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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.