Home / 816,491,515.60-1,224,737,273.40-449,159,496.40

Finding the Fourth Proportional to 816,491,515.60, 1,224,737,273.40 and 449,159,496.40

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Solution

The fourth proportional to 816,491,515.60, 1,224,737,273.40 and 449,159,496.40 is: 673,739,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,491,515.60 : 1,224,737,273.40 = 449,159,496.40 : x
  2. Step 2: Convert to fraction form
    816,491,515.60/1,224,737,273.40 = 449,159,496.40/x
  3. Step 3: Cross multiply
    816,491,515.60x = 1,224,737,273.40 × 449,159,496.40
  4. Step 4: Simplify right side
    816,491,515.60x = 550,102,376,942,653,120
  5. Step 5: Solve for x
    x = 550,102,376,942,653,120/816,491,515.60
  6. Step 6: Final answer
    x = 673,739,244.60

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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.