Home / 545,684,872.45-818,646,882.90-269,468,412.70

Finding the Fourth Proportional to 545,684,872.45, 818,646,882.90 and 269,468,412.70

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Solution

The fourth proportional to 545,684,872.45, 818,646,882.90 and 269,468,412.70 is: 404,261,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,684,872.45 : 818,646,882.90 = 269,468,412.70 : x
  2. Step 2: Convert to fraction form
    545,684,872.45/818,646,882.90 = 269,468,412.70/x
  3. Step 3: Cross multiply
    545,684,872.45x = 818,646,882.90 × 269,468,412.70
  4. Step 4: Simplify right side
    545,684,872.45x = 220,599,476,096,865,760
  5. Step 5: Solve for x
    x = 220,599,476,096,865,760/545,684,872.45
  6. Step 6: Final answer
    x = 404,261,666.82

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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.