Home / 1,067,121,838.30-1,600,682,757.45-885,723,310.30

Finding the Fourth Proportional to 1,067,121,838.30, 1,600,682,757.45 and 885,723,310.30

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Solution

The fourth proportional to 1,067,121,838.30, 1,600,682,757.45 and 885,723,310.30 is: 1,328,584,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,121,838.30 : 1,600,682,757.45 = 885,723,310.30 : x
  2. Step 2: Convert to fraction form
    1,067,121,838.30/1,600,682,757.45 = 885,723,310.30/x
  3. Step 3: Cross multiply
    1,067,121,838.30x = 1,600,682,757.45 × 885,723,310.30
  4. Step 4: Simplify right side
    1,067,121,838.30x = 1,417,762,030,668,745,984
  5. Step 5: Solve for x
    x = 1,417,762,030,668,745,984/1,067,121,838.30
  6. Step 6: Final answer
    x = 1,328,584,965.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.