Home / 605,823,891.50-906,872,010.35-395,281,227.20

Finding the Fourth Proportional to 605,823,891.50, 906,872,010.35 and 395,281,227.20

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Solution

The fourth proportional to 605,823,891.50, 906,872,010.35 and 395,281,227.20 is: 591,705,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,823,891.50 : 906,872,010.35 = 395,281,227.20 : x
  2. Step 2: Convert to fraction form
    605,823,891.50/906,872,010.35 = 395,281,227.20/x
  3. Step 3: Cross multiply
    605,823,891.50x = 906,872,010.35 × 395,281,227.20
  4. Step 4: Simplify right side
    605,823,891.50x = 358,469,481,160,932,928
  5. Step 5: Solve for x
    x = 358,469,481,160,932,928/605,823,891.50
  6. Step 6: Final answer
    x = 591,705,751.78

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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.