Home / 721,783,340,490.78-1,082,675,010,736.20-721,783,340,490.78

Finding the Fourth Proportional to 721,783,340,490.78, 1,082,675,010,736.20 and 721,783,340,490.78

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Solution

The fourth proportional to 721,783,340,490.78, 1,082,675,010,736.20 and 721,783,340,490.78 is: 1,082,675,010,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,783,340,490.78 : 1,082,675,010,736.20 = 721,783,340,490.78 : x
  2. Step 2: Convert to fraction form
    721,783,340,490.78/1,082,675,010,736.20 = 721,783,340,490.78/x
  3. Step 3: Cross multiply
    721,783,340,490.78x = 1,082,675,010,736.20 × 721,783,340,490.78
  4. Step 4: Simplify right side
    721,783,340,490.78x = 781,456,785,915,065,516,687,360
  5. Step 5: Solve for x
    x = 781,456,785,915,065,516,687,360/721,783,340,490.78
  6. Step 6: Final answer
    x = 1,082,675,010,736.20

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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.