Home / 1,067,795,961.72-1,601,108,761.16-330,661,220.60

Finding the Fourth Proportional to 1,067,795,961.72, 1,601,108,761.16 and 330,661,220.60

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Solution

The fourth proportional to 1,067,795,961.72, 1,601,108,761.16 and 330,661,220.60 is: 495,810,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,795,961.72 : 1,601,108,761.16 = 330,661,220.60 : x
  2. Step 2: Convert to fraction form
    1,067,795,961.72/1,601,108,761.16 = 330,661,220.60/x
  3. Step 3: Cross multiply
    1,067,795,961.72x = 1,601,108,761.16 × 330,661,220.60
  4. Step 4: Simplify right side
    1,067,795,961.72x = 529,424,577,278,519,552
  5. Step 5: Solve for x
    x = 529,424,577,278,519,552/1,067,795,961.72
  6. Step 6: Final answer
    x = 495,810,619.50

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Double scale
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Similar ratio
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1.5x scale

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.