Home / 609,016,377.96-840,420,096.80-330,551,922.78

Finding the Fourth Proportional to 609,016,377.96, 840,420,096.80 and 330,551,922.78

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Solution

The fourth proportional to 609,016,377.96, 840,420,096.80 and 330,551,922.78 is: 456,149,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,016,377.96 : 840,420,096.80 = 330,551,922.78 : x
  2. Step 2: Convert to fraction form
    609,016,377.96/840,420,096.80 = 330,551,922.78/x
  3. Step 3: Cross multiply
    609,016,377.96x = 840,420,096.80 × 330,551,922.78
  4. Step 4: Simplify right side
    609,016,377.96x = 277,802,478,938,540,928
  5. Step 5: Solve for x
    x = 277,802,478,938,540,928/609,016,377.96
  6. Step 6: Final answer
    x = 456,149,438.66

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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.