Home / 1,320,603,819.30-1,976,202,804.15-1,149,954,833.70

Finding the Fourth Proportional to 1,320,603,819.30, 1,976,202,804.15 and 1,149,954,833.70

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Solution

The fourth proportional to 1,320,603,819.30, 1,976,202,804.15 and 1,149,954,833.70 is: 1,720,837,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,603,819.30 : 1,976,202,804.15 = 1,149,954,833.70 : x
  2. Step 2: Convert to fraction form
    1,320,603,819.30/1,976,202,804.15 = 1,149,954,833.70/x
  3. Step 3: Cross multiply
    1,320,603,819.30x = 1,976,202,804.15 × 1,149,954,833.70
  4. Step 4: Simplify right side
    1,320,603,819.30x = 2,272,543,967,003,787,008
  5. Step 5: Solve for x
    x = 2,272,543,967,003,787,008/1,320,603,819.30
  6. Step 6: Final answer
    x = 1,720,837,039.69

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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.