Home / 1,330,647,369.92-1,836,858,781.19-829,103,951.69

Finding the Fourth Proportional to 1,330,647,369.92, 1,836,858,781.19 and 829,103,951.69

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Solution

The fourth proportional to 1,330,647,369.92, 1,836,858,781.19 and 829,103,951.69 is: 1,144,515,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,647,369.92 : 1,836,858,781.19 = 829,103,951.69 : x
  2. Step 2: Convert to fraction form
    1,330,647,369.92/1,836,858,781.19 = 829,103,951.69/x
  3. Step 3: Cross multiply
    1,330,647,369.92x = 1,836,858,781.19 × 829,103,951.69
  4. Step 4: Simplify right side
    1,330,647,369.92x = 1,522,946,874,176,156,928
  5. Step 5: Solve for x
    x = 1,522,946,874,176,156,928/1,330,647,369.92
  6. Step 6: Final answer
    x = 1,144,515,751.20

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Double scale
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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.