Home / 769,225,979.38-1,061,535,546.94-416,801,876.66

Finding the Fourth Proportional to 769,225,979.38, 1,061,535,546.94 and 416,801,876.66

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Solution

The fourth proportional to 769,225,979.38, 1,061,535,546.94 and 416,801,876.66 is: 575,188,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,225,979.38 : 1,061,535,546.94 = 416,801,876.66 : x
  2. Step 2: Convert to fraction form
    769,225,979.38/1,061,535,546.94 = 416,801,876.66/x
  3. Step 3: Cross multiply
    769,225,979.38x = 1,061,535,546.94 × 416,801,876.66
  4. Step 4: Simplify right side
    769,225,979.38x = 442,450,008,105,891,584
  5. Step 5: Solve for x
    x = 442,450,008,105,891,584/769,225,979.38
  6. Step 6: Final answer
    x = 575,188,592.13

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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.