Home / 457,557,085.62-686,340,417.96-181,275,540.75

Finding the Fourth Proportional to 457,557,085.62, 686,340,417.96 and 181,275,540.75

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Solution

The fourth proportional to 457,557,085.62, 686,340,417.96 and 181,275,540.75 is: 271,915,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,557,085.62 : 686,340,417.96 = 181,275,540.75 : x
  2. Step 2: Convert to fraction form
    457,557,085.62/686,340,417.96 = 181,275,540.75/x
  3. Step 3: Cross multiply
    457,557,085.62x = 686,340,417.96 × 181,275,540.75
  4. Step 4: Simplify right side
    457,557,085.62x = 124,416,730,404,280,016
  5. Step 5: Solve for x
    x = 124,416,730,404,280,016/457,557,085.62
  6. Step 6: Final answer
    x = 271,915,208.65

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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.