Home / 768,067,049.27-1,151,970,628.65-215,242,244.31

Finding the Fourth Proportional to 768,067,049.27, 1,151,970,628.65 and 215,242,244.31

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Solution

The fourth proportional to 768,067,049.27, 1,151,970,628.65 and 215,242,244.31 is: 322,826,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,067,049.27 : 1,151,970,628.65 = 215,242,244.31 : x
  2. Step 2: Convert to fraction form
    768,067,049.27/1,151,970,628.65 = 215,242,244.31/x
  3. Step 3: Cross multiply
    768,067,049.27x = 1,151,970,628.65 × 215,242,244.31
  4. Step 4: Simplify right side
    768,067,049.27x = 247,952,743,489,827,616
  5. Step 5: Solve for x
    x = 247,952,743,489,827,616/768,067,049.27
  6. Step 6: Final answer
    x = 322,826,950.76

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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.