Home / 2,308,678,167.89-3,185,890,518.05-1,251,383,439.65

Finding the Fourth Proportional to 2,308,678,167.89, 3,185,890,518.05 and 1,251,383,439.65

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Solution

The fourth proportional to 2,308,678,167.89, 3,185,890,518.05 and 1,251,383,439.65 is: 1,726,862,882.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,678,167.89 : 3,185,890,518.05 = 1,251,383,439.65 : x
  2. Step 2: Convert to fraction form
    2,308,678,167.89/3,185,890,518.05 = 1,251,383,439.65/x
  3. Step 3: Cross multiply
    2,308,678,167.89x = 3,185,890,518.05 × 1,251,383,439.65
  4. Step 4: Simplify right side
    2,308,678,167.89x = 3,986,770,634,803,543,040
  5. Step 5: Solve for x
    x = 3,986,770,634,803,543,040/2,308,678,167.89
  6. Step 6: Final answer
    x = 1,726,862,882.09

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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.