Home / 609,016,310.12-840,420,003.41-330,551,854.94

Finding the Fourth Proportional to 609,016,310.12, 840,420,003.41 and 330,551,854.94

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Solution

The fourth proportional to 609,016,310.12, 840,420,003.41 and 330,551,854.94 is: 456,149,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,016,310.12 : 840,420,003.41 = 330,551,854.94 : x
  2. Step 2: Convert to fraction form
    609,016,310.12/840,420,003.41 = 330,551,854.94/x
  3. Step 3: Cross multiply
    609,016,310.12x = 840,420,003.41 × 330,551,854.94
  4. Step 4: Simplify right side
    609,016,310.12x = 277,802,391,055,856,608
  5. Step 5: Solve for x
    x = 277,802,391,055,856,608/609,016,310.12
  6. Step 6: Final answer
    x = 456,149,345.16

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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.