Home / 609,016,306.88-840,419,998.93-330,551,851.70

Finding the Fourth Proportional to 609,016,306.88, 840,419,998.93 and 330,551,851.70

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Solution

The fourth proportional to 609,016,306.88, 840,419,998.93 and 330,551,851.70 is: 456,149,340.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,016,306.88 : 840,419,998.93 = 330,551,851.70 : x
  2. Step 2: Convert to fraction form
    609,016,306.88/840,419,998.93 = 330,551,851.70/x
  3. Step 3: Cross multiply
    609,016,306.88x = 840,419,998.93 × 330,551,851.70
  4. Step 4: Simplify right side
    609,016,306.88x = 277,802,386,852,023,488
  5. Step 5: Solve for x
    x = 277,802,386,852,023,488/609,016,306.88
  6. Step 6: Final answer
    x = 456,149,340.69

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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.