Home / 378,979,858.92-568,524,015.78-116,686,602.81

Finding the Fourth Proportional to 378,979,858.92, 568,524,015.78 and 116,686,602.81

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Solution

The fourth proportional to 378,979,858.92, 568,524,015.78 and 116,686,602.81 is: 175,046,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,979,858.92 : 568,524,015.78 = 116,686,602.81 : x
  2. Step 2: Convert to fraction form
    378,979,858.92/568,524,015.78 = 116,686,602.81/x
  3. Step 3: Cross multiply
    378,979,858.92x = 568,524,015.78 × 116,686,602.81
  4. Step 4: Simplify right side
    378,979,858.92x = 66,339,136,016,829,456
  5. Step 5: Solve for x
    x = 66,339,136,016,829,456/378,979,858.92
  6. Step 6: Final answer
    x = 175,046,600.64

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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.