Home / 1,067,683,468.92-1,600,395,204.78-485,826,319.73

Finding the Fourth Proportional to 1,067,683,468.92, 1,600,395,204.78 and 485,826,319.73

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Solution

The fourth proportional to 1,067,683,468.92, 1,600,395,204.78 and 485,826,319.73 is: 728,225,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,683,468.92 : 1,600,395,204.78 = 485,826,319.73 : x
  2. Step 2: Convert to fraction form
    1,067,683,468.92/1,600,395,204.78 = 485,826,319.73/x
  3. Step 3: Cross multiply
    1,067,683,468.92x = 1,600,395,204.78 × 485,826,319.73
  4. Step 4: Simplify right side
    1,067,683,468.92x = 777,514,112,443,805,184
  5. Step 5: Solve for x
    x = 777,514,112,443,805,184/1,067,683,468.92
  6. Step 6: Final answer
    x = 728,225,298.11

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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.