Home / 420,513,286.56-580,302,222.48-234,876,942.24

Finding the Fourth Proportional to 420,513,286.56, 580,302,222.48 and 234,876,942.24

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Solution

The fourth proportional to 420,513,286.56, 580,302,222.48 and 234,876,942.24 is: 324,126,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,513,286.56 : 580,302,222.48 = 234,876,942.24 : x
  2. Step 2: Convert to fraction form
    420,513,286.56/580,302,222.48 = 234,876,942.24/x
  3. Step 3: Cross multiply
    420,513,286.56x = 580,302,222.48 × 234,876,942.24
  4. Step 4: Simplify right side
    420,513,286.56x = 136,299,611,591,178,592
  5. Step 5: Solve for x
    x = 136,299,611,591,178,592/420,513,286.56
  6. Step 6: Final answer
    x = 324,126,765.90

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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.