Home / 358,544,509.38-494,816,761.92-199,785,171.15

Finding the Fourth Proportional to 358,544,509.38, 494,816,761.92 and 199,785,171.15

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Solution

The fourth proportional to 358,544,509.38, 494,816,761.92 and 199,785,171.15 is: 275,717,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,544,509.38 : 494,816,761.92 = 199,785,171.15 : x
  2. Step 2: Convert to fraction form
    358,544,509.38/494,816,761.92 = 199,785,171.15/x
  3. Step 3: Cross multiply
    358,544,509.38x = 494,816,761.92 × 199,785,171.15
  4. Step 4: Simplify right side
    358,544,509.38x = 98,857,051,468,076,016
  5. Step 5: Solve for x
    x = 98,857,051,468,076,016/358,544,509.38
  6. Step 6: Final answer
    x = 275,717,655.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.