Home / 392,660,666.88-588,927,207.36-185,398,679.04

Finding the Fourth Proportional to 392,660,666.88, 588,927,207.36 and 185,398,679.04

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Solution

The fourth proportional to 392,660,666.88, 588,927,207.36 and 185,398,679.04 is: 278,067,898.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,660,666.88 : 588,927,207.36 = 185,398,679.04 : x
  2. Step 2: Convert to fraction form
    392,660,666.88/588,927,207.36 = 185,398,679.04/x
  3. Step 3: Cross multiply
    392,660,666.88x = 588,927,207.36 × 185,398,679.04
  4. Step 4: Simplify right side
    392,660,666.88x = 109,186,326,295,260,160
  5. Step 5: Solve for x
    x = 109,186,326,295,260,160/392,660,666.88
  6. Step 6: Final answer
    x = 278,067,898.07

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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.