Home / 545,684,868.45-818,646,876.90-269,468,408.70

Finding the Fourth Proportional to 545,684,868.45, 818,646,876.90 and 269,468,408.70

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Solution

The fourth proportional to 545,684,868.45, 818,646,876.90 and 269,468,408.70 is: 404,261,660.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,684,868.45 : 818,646,876.90 = 269,468,408.70 : x
  2. Step 2: Convert to fraction form
    545,684,868.45/818,646,876.90 = 269,468,408.70/x
  3. Step 3: Cross multiply
    545,684,868.45x = 818,646,876.90 × 269,468,408.70
  4. Step 4: Simplify right side
    545,684,868.45x = 220,599,471,205,467,776
  5. Step 5: Solve for x
    x = 220,599,471,205,467,776/545,684,868.45
  6. Step 6: Final answer
    x = 404,261,660.82

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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.