Home / 12,096,573,991.70-18,144,860,987.55-9,647,693,863.70

Finding the Fourth Proportional to 12,096,573,991.70, 18,144,860,987.55 and 9,647,693,863.70

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Solution

The fourth proportional to 12,096,573,991.70, 18,144,860,987.55 and 9,647,693,863.70 is: 14,471,540,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,573,991.70 : 18,144,860,987.55 = 9,647,693,863.70 : x
  2. Step 2: Convert to fraction form
    12,096,573,991.70/18,144,860,987.55 = 9,647,693,863.70/x
  3. Step 3: Cross multiply
    12,096,573,991.70x = 18,144,860,987.55 × 9,647,693,863.70
  4. Step 4: Simplify right side
    12,096,573,991.70x = 175,056,064,007,275,675,648
  5. Step 5: Solve for x
    x = 175,056,064,007,275,675,648/12,096,573,991.70
  6. Step 6: Final answer
    x = 14,471,540,795.55

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Double scale
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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.