Home / 306,442,857.80-459,664,286.70-268,179,105.80

Finding the Fourth Proportional to 306,442,857.80, 459,664,286.70 and 268,179,105.80

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Solution

The fourth proportional to 306,442,857.80, 459,664,286.70 and 268,179,105.80 is: 402,268,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,442,857.80 : 459,664,286.70 = 268,179,105.80 : x
  2. Step 2: Convert to fraction form
    306,442,857.80/459,664,286.70 = 268,179,105.80/x
  3. Step 3: Cross multiply
    306,442,857.80x = 459,664,286.70 × 268,179,105.80
  4. Step 4: Simplify right side
    306,442,857.80x = 123,272,357,375,400,832
  5. Step 5: Solve for x
    x = 123,272,357,375,400,832/306,442,857.80
  6. Step 6: Final answer
    x = 402,268,658.70

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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.