Home / 18,398,408,934.40-27,597,613,401.60-11,786,432,588.80

Finding the Fourth Proportional to 18,398,408,934.40, 27,597,613,401.60 and 11,786,432,588.80

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Solution

The fourth proportional to 18,398,408,934.40, 27,597,613,401.60 and 11,786,432,588.80 is: 17,679,648,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,408,934.40 : 27,597,613,401.60 = 11,786,432,588.80 : x
  2. Step 2: Convert to fraction form
    18,398,408,934.40/27,597,613,401.60 = 11,786,432,588.80/x
  3. Step 3: Cross multiply
    18,398,408,934.40x = 27,597,613,401.60 × 11,786,432,588.80
  4. Step 4: Simplify right side
    18,398,408,934.40x = 325,277,409,969,721,835,520
  5. Step 5: Solve for x
    x = 325,277,409,969,721,835,520/18,398,408,934.40
  6. Step 6: Final answer
    x = 17,679,648,883.20

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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.