Home / 279,857,540.16-386,327,243.52-180,786,594.24

Finding the Fourth Proportional to 279,857,540.16, 386,327,243.52 and 180,786,594.24

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Solution

The fourth proportional to 279,857,540.16, 386,327,243.52 and 180,786,594.24 is: 249,565,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,857,540.16 : 386,327,243.52 = 180,786,594.24 : x
  2. Step 2: Convert to fraction form
    279,857,540.16/386,327,243.52 = 180,786,594.24/x
  3. Step 3: Cross multiply
    279,857,540.16x = 386,327,243.52 × 180,786,594.24
  4. Step 4: Simplify right side
    279,857,540.16x = 69,842,786,618,107,912
  5. Step 5: Solve for x
    x = 69,842,786,618,107,912/279,857,540.16
  6. Step 6: Final answer
    x = 249,565,498.85

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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.