Home / 27,746,665,925.78-38,283,836,249.09-15,703,676,729.21

Finding the Fourth Proportional to 27,746,665,925.78, 38,283,836,249.09 and 15,703,676,729.21

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Solution

The fourth proportional to 27,746,665,925.78, 38,283,836,249.09 and 15,703,676,729.21 is: 21,667,359,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,746,665,925.78 : 38,283,836,249.09 = 15,703,676,729.21 : x
  2. Step 2: Convert to fraction form
    27,746,665,925.78/38,283,836,249.09 = 15,703,676,729.21/x
  3. Step 3: Cross multiply
    27,746,665,925.78x = 38,283,836,249.09 × 15,703,676,729.21
  4. Step 4: Simplify right side
    27,746,665,925.78x = 601,196,988,409,867,141,120
  5. Step 5: Solve for x
    x = 601,196,988,409,867,141,120/27,746,665,925.78
  6. Step 6: Final answer
    x = 21,667,359,603.42

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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.