Home / 2,308,678,170.39-3,185,890,521.49-1,251,383,442.15

Finding the Fourth Proportional to 2,308,678,170.39, 3,185,890,521.49 and 1,251,383,442.15

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Solution

The fourth proportional to 2,308,678,170.39, 3,185,890,521.49 and 1,251,383,442.15 is: 1,726,862,885.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,678,170.39 : 3,185,890,521.49 = 1,251,383,442.15 : x
  2. Step 2: Convert to fraction form
    2,308,678,170.39/3,185,890,521.49 = 1,251,383,442.15/x
  3. Step 3: Cross multiply
    2,308,678,170.39x = 3,185,890,521.49 × 1,251,383,442.15
  4. Step 4: Simplify right side
    2,308,678,170.39x = 3,986,770,647,095,214,592
  5. Step 5: Solve for x
    x = 3,986,770,647,095,214,592/2,308,678,170.39
  6. Step 6: Final answer
    x = 1,726,862,885.54

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Double scale
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1.5x scale

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.