Home / 18,393,971,531.48-25,383,691,833.99-9,935,799,045.43

Finding the Fourth Proportional to 18,393,971,531.48, 25,383,691,833.99 and 9,935,799,045.43

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Solution

The fourth proportional to 18,393,971,531.48, 25,383,691,833.99 and 9,935,799,045.43 is: 13,711,408,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393,971,531.48 : 25,383,691,833.99 = 9,935,799,045.43 : x
  2. Step 2: Convert to fraction form
    18,393,971,531.48/25,383,691,833.99 = 9,935,799,045.43/x
  3. Step 3: Cross multiply
    18,393,971,531.48x = 25,383,691,833.99 × 9,935,799,045.43
  4. Step 4: Simplify right side
    18,393,971,531.48x = 252,207,261,093,647,155,200
  5. Step 5: Solve for x
    x = 252,207,261,093,647,155,200/18,393,971,531.48
  6. Step 6: Final answer
    x = 13,711,408,689.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.