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Finding the Fourth Proportional to 18,061,613,109.20, 27,092,419,663.80 and 18,061,613,109.20

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Solution

The fourth proportional to 18,061,613,109.20, 27,092,419,663.80 and 18,061,613,109.20 is: 27,092,419,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061,613,109.20 : 27,092,419,663.80 = 18,061,613,109.20 : x
  2. Step 2: Convert to fraction form
    18,061,613,109.20/27,092,419,663.80 = 18,061,613,109.20/x
  3. Step 3: Cross multiply
    18,061,613,109.20x = 27,092,419,663.80 × 18,061,613,109.20
  4. Step 4: Simplify right side
    18,061,613,109.20x = 489,332,802,159,637,954,560
  5. Step 5: Solve for x
    x = 489,332,802,159,637,954,560/18,061,613,109.20
  6. Step 6: Final answer
    x = 27,092,419,663.80

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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.