Home / 484,655,826.82-726,728,648.55-331,345,727.14

Finding the Fourth Proportional to 484,655,826.82, 726,728,648.55 and 331,345,727.14

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Solution

The fourth proportional to 484,655,826.82, 726,728,648.55 and 331,345,727.14 is: 496,844,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,655,826.82 : 726,728,648.55 = 331,345,727.14 : x
  2. Step 2: Convert to fraction form
    484,655,826.82/726,728,648.55 = 331,345,727.14/x
  3. Step 3: Cross multiply
    484,655,826.82x = 726,728,648.55 × 331,345,727.14
  4. Step 4: Simplify right side
    484,655,826.82x = 240,798,432,487,269,216
  5. Step 5: Solve for x
    x = 240,798,432,487,269,216/484,655,826.82
  6. Step 6: Final answer
    x = 496,844,191.61

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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.