Home / 2,308,678,156.89-3,185,890,502.89-1,251,383,428.63

Finding the Fourth Proportional to 2,308,678,156.89, 3,185,890,502.89 and 1,251,383,428.63

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Solution

The fourth proportional to 2,308,678,156.89, 3,185,890,502.89 and 1,251,383,428.63 is: 1,726,862,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,678,156.89 : 3,185,890,502.89 = 1,251,383,428.63 : x
  2. Step 2: Convert to fraction form
    2,308,678,156.89/3,185,890,502.89 = 1,251,383,428.63/x
  3. Step 3: Cross multiply
    2,308,678,156.89x = 3,185,890,502.89 × 1,251,383,428.63
  4. Step 4: Simplify right side
    2,308,678,156.89x = 3,986,770,580,753,069,568
  5. Step 5: Solve for x
    x = 3,986,770,580,753,069,568/2,308,678,156.89
  6. Step 6: Final answer
    x = 1,726,862,866.90

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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.