Home / 609,016,300.55-840,419,990.20-330,551,845.37

Finding the Fourth Proportional to 609,016,300.55, 840,419,990.20 and 330,551,845.37

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Solution

The fourth proportional to 609,016,300.55, 840,419,990.20 and 330,551,845.37 is: 456,149,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,016,300.55 : 840,419,990.20 = 330,551,845.37 : x
  2. Step 2: Convert to fraction form
    609,016,300.55/840,419,990.20 = 330,551,845.37/x
  3. Step 3: Cross multiply
    609,016,300.55x = 840,419,990.20 × 330,551,845.37
  4. Step 4: Simplify right side
    609,016,300.55x = 277,802,378,646,447,328
  5. Step 5: Solve for x
    x = 277,802,378,646,447,328/609,016,300.55
  6. Step 6: Final answer
    x = 456,149,331.96

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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.