Home / 418,528,170.57-627,218,299.56-264,899,993.61

Finding the Fourth Proportional to 418,528,170.57, 627,218,299.56 and 264,899,993.61

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Solution

The fourth proportional to 418,528,170.57, 627,218,299.56 and 264,899,993.61 is: 396,986,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,528,170.57 : 627,218,299.56 = 264,899,993.61 : x
  2. Step 2: Convert to fraction form
    418,528,170.57/627,218,299.56 = 264,899,993.61/x
  3. Step 3: Cross multiply
    418,528,170.57x = 627,218,299.56 × 264,899,993.61
  4. Step 4: Simplify right side
    418,528,170.57x = 166,150,123,545,519,072
  5. Step 5: Solve for x
    x = 166,150,123,545,519,072/418,528,170.57
  6. Step 6: Final answer
    x = 396,986,714.94

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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.