Home / 694,981,460.43-959,093,144.51-408,892,956.80

Finding the Fourth Proportional to 694,981,460.43, 959,093,144.51 and 408,892,956.80

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Solution

The fourth proportional to 694,981,460.43, 959,093,144.51 and 408,892,956.80 is: 564,283,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,981,460.43 : 959,093,144.51 = 408,892,956.80 : x
  2. Step 2: Convert to fraction form
    694,981,460.43/959,093,144.51 = 408,892,956.80/x
  3. Step 3: Cross multiply
    694,981,460.43x = 959,093,144.51 × 408,892,956.80
  4. Step 4: Simplify right side
    694,981,460.43x = 392,166,431,698,463,680
  5. Step 5: Solve for x
    x = 392,166,431,698,463,680/694,981,460.43
  6. Step 6: Final answer
    x = 564,283,299.67

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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.