Home / 5,781,766,783.25-7,978,132,761.51-3,240,862,331.69

Finding the Fourth Proportional to 5,781,766,783.25, 7,978,132,761.51 and 3,240,862,331.69

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Solution

The fourth proportional to 5,781,766,783.25, 7,978,132,761.51 and 3,240,862,331.69 is: 4,471,994,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781,766,783.25 : 7,978,132,761.51 = 3,240,862,331.69 : x
  2. Step 2: Convert to fraction form
    5,781,766,783.25/7,978,132,761.51 = 3,240,862,331.69/x
  3. Step 3: Cross multiply
    5,781,766,783.25x = 7,978,132,761.51 × 3,240,862,331.69
  4. Step 4: Simplify right side
    5,781,766,783.25x = 25,856,029,943,959,785,472
  5. Step 5: Solve for x
    x = 25,856,029,943,959,785,472/5,781,766,783.25
  6. Step 6: Final answer
    x = 4,471,994,619.17

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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.