Home / 1,387,170,197.70-1,912,443,046.29-1,102,007,879.16

Finding the Fourth Proportional to 1,387,170,197.70, 1,912,443,046.29 and 1,102,007,879.16

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Solution

The fourth proportional to 1,387,170,197.70, 1,912,443,046.29 and 1,102,007,879.16 is: 1,519,299,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,170,197.70 : 1,912,443,046.29 = 1,102,007,879.16 : x
  2. Step 2: Convert to fraction form
    1,387,170,197.70/1,912,443,046.29 = 1,102,007,879.16/x
  3. Step 3: Cross multiply
    1,387,170,197.70x = 1,912,443,046.29 × 1,102,007,879.16
  4. Step 4: Simplify right side
    1,387,170,197.70x = 2,107,527,305,456,332,800
  5. Step 5: Solve for x
    x = 2,107,527,305,456,332,800/1,387,170,197.70
  6. Step 6: Final answer
    x = 1,519,299,729.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.