Home / 378,979,868.40-568,524,029.97-116,686,612.25

Finding the Fourth Proportional to 378,979,868.40, 568,524,029.97 and 116,686,612.25

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Solution

The fourth proportional to 378,979,868.40, 568,524,029.97 and 116,686,612.25 is: 175,046,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,979,868.40 : 568,524,029.97 = 116,686,612.25 : x
  2. Step 2: Convert to fraction form
    378,979,868.40/568,524,029.97 = 116,686,612.25/x
  3. Step 3: Cross multiply
    378,979,868.40x = 568,524,029.97 × 116,686,612.25
  4. Step 4: Simplify right side
    378,979,868.40x = 66,339,143,039,916,776
  5. Step 5: Solve for x
    x = 66,339,143,039,916,776/378,979,868.40
  6. Step 6: Final answer
    x = 175,046,614.80

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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.