Home / 609,016,309.88-840,420,003.06-330,551,854.70

Finding the Fourth Proportional to 609,016,309.88, 840,420,003.06 and 330,551,854.70

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Solution

The fourth proportional to 609,016,309.88, 840,420,003.06 and 330,551,854.70 is: 456,149,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,016,309.88 : 840,420,003.06 = 330,551,854.70 : x
  2. Step 2: Convert to fraction form
    609,016,309.88/840,420,003.06 = 330,551,854.70/x
  3. Step 3: Cross multiply
    609,016,309.88x = 840,420,003.06 × 330,551,854.70
  4. Step 4: Simplify right side
    609,016,309.88x = 277,802,390,738,462,656
  5. Step 5: Solve for x
    x = 277,802,390,738,462,656/609,016,309.88
  6. Step 6: Final answer
    x = 456,149,344.82

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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.