Home / 824,256,794.10-1,236,385,191.15-818,517,231.30

Finding the Fourth Proportional to 824,256,794.10, 1,236,385,191.15 and 818,517,231.30

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Solution

The fourth proportional to 824,256,794.10, 1,236,385,191.15 and 818,517,231.30 is: 1,227,775,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,256,794.10 : 1,236,385,191.15 = 818,517,231.30 : x
  2. Step 2: Convert to fraction form
    824,256,794.10/1,236,385,191.15 = 818,517,231.30/x
  3. Step 3: Cross multiply
    824,256,794.10x = 1,236,385,191.15 × 818,517,231.30
  4. Step 4: Simplify right side
    824,256,794.10x = 1,012,002,583,480,419,328
  5. Step 5: Solve for x
    x = 1,012,002,583,480,419,328/824,256,794.10
  6. Step 6: Final answer
    x = 1,227,775,846.95

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1.5x scale

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.