Home / 12,096,573,973.20-18,144,860,959.80-9,647,693,845.20

Finding the Fourth Proportional to 12,096,573,973.20, 18,144,860,959.80 and 9,647,693,845.20

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Solution

The fourth proportional to 12,096,573,973.20, 18,144,860,959.80 and 9,647,693,845.20 is: 14,471,540,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,573,973.20 : 18,144,860,959.80 = 9,647,693,845.20 : x
  2. Step 2: Convert to fraction form
    12,096,573,973.20/18,144,860,959.80 = 9,647,693,845.20/x
  3. Step 3: Cross multiply
    12,096,573,973.20x = 18,144,860,959.80 × 9,647,693,845.20
  4. Step 4: Simplify right side
    12,096,573,973.20x = 175,056,063,403,872,223,232
  5. Step 5: Solve for x
    x = 175,056,063,403,872,223,232/12,096,573,973.20
  6. Step 6: Final answer
    x = 14,471,540,767.80

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Double scale
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Similar ratio
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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.