Home / 457,557,086.12-686,340,418.71-181,275,541.25

Finding the Fourth Proportional to 457,557,086.12, 686,340,418.71 and 181,275,541.25

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Solution

The fourth proportional to 457,557,086.12, 686,340,418.71 and 181,275,541.25 is: 271,915,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,557,086.12 : 686,340,418.71 = 181,275,541.25 : x
  2. Step 2: Convert to fraction form
    457,557,086.12/686,340,418.71 = 181,275,541.25/x
  3. Step 3: Cross multiply
    457,557,086.12x = 686,340,418.71 × 181,275,541.25
  4. Step 4: Simplify right side
    457,557,086.12x = 124,416,730,883,406,880
  5. Step 5: Solve for x
    x = 124,416,730,883,406,880/457,557,086.12
  6. Step 6: Final answer
    x = 271,915,209.40

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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.