Home / 541,332,890.76-747,039,942.13-293,814,296.04

Finding the Fourth Proportional to 541,332,890.76, 747,039,942.13 and 293,814,296.04

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Solution

The fourth proportional to 541,332,890.76, 747,039,942.13 and 293,814,296.04 is: 405,464,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,332,890.76 : 747,039,942.13 = 293,814,296.04 : x
  2. Step 2: Convert to fraction form
    541,332,890.76/747,039,942.13 = 293,814,296.04/x
  3. Step 3: Cross multiply
    541,332,890.76x = 747,039,942.13 × 293,814,296.04
  4. Step 4: Simplify right side
    541,332,890.76x = 219,491,014,710,688,288
  5. Step 5: Solve for x
    x = 219,491,014,710,688,288/541,332,890.76
  6. Step 6: Final answer
    x = 405,464,028.62

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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.