Home / 494,423,999.70-741,635,999.55-300,715,286.10

Finding the Fourth Proportional to 494,423,999.70, 741,635,999.55 and 300,715,286.10

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Solution

The fourth proportional to 494,423,999.70, 741,635,999.55 and 300,715,286.10 is: 451,072,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,423,999.70 : 741,635,999.55 = 300,715,286.10 : x
  2. Step 2: Convert to fraction form
    494,423,999.70/741,635,999.55 = 300,715,286.10/x
  3. Step 3: Cross multiply
    494,423,999.70x = 741,635,999.55 × 300,715,286.10
  4. Step 4: Simplify right side
    494,423,999.70x = 223,021,281,786,737,728
  5. Step 5: Solve for x
    x = 223,021,281,786,737,728/494,423,999.70
  6. Step 6: Final answer
    x = 451,072,929.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.