Home / 2,939,976,530.40-4,057,259,469.84-1,687,142,557.92

Finding the Fourth Proportional to 2,939,976,530.40, 4,057,259,469.84 and 1,687,142,557.92

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Solution

The fourth proportional to 2,939,976,530.40, 4,057,259,469.84 and 1,687,142,557.92 is: 2,328,309,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939,976,530.40 : 4,057,259,469.84 = 1,687,142,557.92 : x
  2. Step 2: Convert to fraction form
    2,939,976,530.40/4,057,259,469.84 = 1,687,142,557.92/x
  3. Step 3: Cross multiply
    2,939,976,530.40x = 4,057,259,469.84 × 1,687,142,557.92
  4. Step 4: Simplify right side
    2,939,976,530.40x = 6,845,175,120,091,000,832
  5. Step 5: Solve for x
    x = 6,845,175,120,091,000,832/2,939,976,530.40
  6. Step 6: Final answer
    x = 2,328,309,443.74

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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.