Home / 588,867,039.75-812,625,972.16-320,945,285.37

Finding the Fourth Proportional to 588,867,039.75, 812,625,972.16 and 320,945,285.37

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Solution

The fourth proportional to 588,867,039.75, 812,625,972.16 and 320,945,285.37 is: 442,898,747.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,867,039.75 : 812,625,972.16 = 320,945,285.37 : x
  2. Step 2: Convert to fraction form
    588,867,039.75/812,625,972.16 = 320,945,285.37/x
  3. Step 3: Cross multiply
    588,867,039.75x = 812,625,972.16 × 320,945,285.37
  4. Step 4: Simplify right side
    588,867,039.75x = 260,808,474,536,813,216
  5. Step 5: Solve for x
    x = 260,808,474,536,813,216/588,867,039.75
  6. Step 6: Final answer
    x = 442,898,747.82

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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.