Home / 18,017,658,920.18-27,026,488,380.27-12,125,041,112.18

Finding the Fourth Proportional to 18,017,658,920.18, 27,026,488,380.27 and 12,125,041,112.18

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Solution

The fourth proportional to 18,017,658,920.18, 27,026,488,380.27 and 12,125,041,112.18 is: 18,187,561,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017,658,920.18 : 27,026,488,380.27 = 12,125,041,112.18 : x
  2. Step 2: Convert to fraction form
    18,017,658,920.18/27,026,488,380.27 = 12,125,041,112.18/x
  3. Step 3: Cross multiply
    18,017,658,920.18x = 27,026,488,380.27 × 12,125,041,112.18
  4. Step 4: Simplify right side
    18,017,658,920.18x = 327,697,282,728,493,645,824
  5. Step 5: Solve for x
    x = 327,697,282,728,493,645,824/18,017,658,920.18
  6. Step 6: Final answer
    x = 18,187,561,668.27

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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.