Home / 18,649,283,450.15-27,988,431,493.82-13,016,628,449.39

Finding the Fourth Proportional to 18,649,283,450.15, 27,988,431,493.82 and 13,016,628,449.39

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Solution

The fourth proportional to 18,649,283,450.15, 27,988,431,493.82 and 13,016,628,449.39 is: 19,535,067,640.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649,283,450.15 : 27,988,431,493.82 = 13,016,628,449.39 : x
  2. Step 2: Convert to fraction form
    18,649,283,450.15/27,988,431,493.82 = 13,016,628,449.39/x
  3. Step 3: Cross multiply
    18,649,283,450.15x = 27,988,431,493.82 × 13,016,628,449.39
  4. Step 4: Simplify right side
    18,649,283,450.15x = 364,315,013,636,251,320,320
  5. Step 5: Solve for x
    x = 364,315,013,636,251,320,320/18,649,283,450.15
  6. Step 6: Final answer
    x = 19,535,067,640.00

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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.