Home / 415,982,936.20-574,049,436.24-230,339,966.08

Finding the Fourth Proportional to 415,982,936.20, 574,049,436.24 and 230,339,966.08

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Solution

The fourth proportional to 415,982,936.20, 574,049,436.24 and 230,339,966.08 is: 317,865,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,982,936.20 : 574,049,436.24 = 230,339,966.08 : x
  2. Step 2: Convert to fraction form
    415,982,936.20/574,049,436.24 = 230,339,966.08/x
  3. Step 3: Cross multiply
    415,982,936.20x = 574,049,436.24 × 230,339,966.08
  4. Step 4: Simplify right side
    415,982,936.20x = 132,226,527,671,764,736
  5. Step 5: Solve for x
    x = 132,226,527,671,764,736/415,982,936.20
  6. Step 6: Final answer
    x = 317,865,268.42

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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.