Home / 12,096,771,379.20-18,145,157,068.80-9,647,891,251.20

Finding the Fourth Proportional to 12,096,771,379.20, 18,145,157,068.80 and 9,647,891,251.20

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Solution

The fourth proportional to 12,096,771,379.20, 18,145,157,068.80 and 9,647,891,251.20 is: 14,471,836,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,771,379.20 : 18,145,157,068.80 = 9,647,891,251.20 : x
  2. Step 2: Convert to fraction form
    12,096,771,379.20/18,145,157,068.80 = 9,647,891,251.20/x
  3. Step 3: Cross multiply
    12,096,771,379.20x = 18,145,157,068.80 × 9,647,891,251.20
  4. Step 4: Simplify right side
    12,096,771,379.20x = 175,062,502,135,725,359,104
  5. Step 5: Solve for x
    x = 175,062,502,135,725,359,104/12,096,771,379.20
  6. Step 6: Final answer
    x = 14,471,836,876.80

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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.