Home / 1,019,933,255.80-1,529,899,883.70-330,335,414.20

Finding the Fourth Proportional to 1,019,933,255.80, 1,529,899,883.70 and 330,335,414.20

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Solution

The fourth proportional to 1,019,933,255.80, 1,529,899,883.70 and 330,335,414.20 is: 495,503,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,933,255.80 : 1,529,899,883.70 = 330,335,414.20 : x
  2. Step 2: Convert to fraction form
    1,019,933,255.80/1,529,899,883.70 = 330,335,414.20/x
  3. Step 3: Cross multiply
    1,019,933,255.80x = 1,529,899,883.70 × 330,335,414.20
  4. Step 4: Simplify right side
    1,019,933,255.80x = 505,380,111,766,571,328
  5. Step 5: Solve for x
    x = 505,380,111,766,571,328/1,019,933,255.80
  6. Step 6: Final answer
    x = 495,503,121.30

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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.