Home / 866,103,136.20-1,299,154,704.30-252,749,363.40

Finding the Fourth Proportional to 866,103,136.20, 1,299,154,704.30 and 252,749,363.40

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Solution

The fourth proportional to 866,103,136.20, 1,299,154,704.30 and 252,749,363.40 is: 379,124,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,103,136.20 : 1,299,154,704.30 = 252,749,363.40 : x
  2. Step 2: Convert to fraction form
    866,103,136.20/1,299,154,704.30 = 252,749,363.40/x
  3. Step 3: Cross multiply
    866,103,136.20x = 1,299,154,704.30 × 252,749,363.40
  4. Step 4: Simplify right side
    866,103,136.20x = 328,360,524,469,940,224
  5. Step 5: Solve for x
    x = 328,360,524,469,940,224/866,103,136.20
  6. Step 6: Final answer
    x = 379,124,045.10

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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.