Home / 1,320,603,596.80-1,976,202,470.40-1,149,954,611.20

Finding the Fourth Proportional to 1,320,603,596.80, 1,976,202,470.40 and 1,149,954,611.20

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Solution

The fourth proportional to 1,320,603,596.80, 1,976,202,470.40 and 1,149,954,611.20 is: 1,720,836,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,603,596.80 : 1,976,202,470.40 = 1,149,954,611.20 : x
  2. Step 2: Convert to fraction form
    1,320,603,596.80/1,976,202,470.40 = 1,149,954,611.20/x
  3. Step 3: Cross multiply
    1,320,603,596.80x = 1,976,202,470.40 × 1,149,954,611.20
  4. Step 4: Simplify right side
    1,320,603,596.80x = 2,272,543,143,501,311,744
  5. Step 5: Solve for x
    x = 2,272,543,143,501,311,744/1,320,603,596.80
  6. Step 6: Final answer
    x = 1,720,836,706.04

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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.