Home / 694,981,455.56-959,093,137.76-408,892,951.79

Finding the Fourth Proportional to 694,981,455.56, 959,093,137.76 and 408,892,951.79

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Solution

The fourth proportional to 694,981,455.56, 959,093,137.76 and 408,892,951.79 is: 564,283,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,981,455.56 : 959,093,137.76 = 408,892,951.79 : x
  2. Step 2: Convert to fraction form
    694,981,455.56/959,093,137.76 = 408,892,951.79/x
  3. Step 3: Cross multiply
    694,981,455.56x = 959,093,137.76 × 408,892,951.79
  4. Step 4: Simplify right side
    694,981,455.56x = 392,166,424,133,379,584
  5. Step 5: Solve for x
    x = 392,166,424,133,379,584/694,981,455.56
  6. Step 6: Final answer
    x = 564,283,292.73

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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.