Home / 12,137,162,258.49-18,205,543,093.95-3,628,564,956.12

Finding the Fourth Proportional to 12,137,162,258.49, 18,205,543,093.95 and 3,628,564,956.12

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Solution

The fourth proportional to 12,137,162,258.49, 18,205,543,093.95 and 3,628,564,956.12 is: 5,442,787,553.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137,162,258.49 : 18,205,543,093.95 = 3,628,564,956.12 : x
  2. Step 2: Convert to fraction form
    12,137,162,258.49/18,205,543,093.95 = 3,628,564,956.12/x
  3. Step 3: Cross multiply
    12,137,162,258.49x = 18,205,543,093.95 × 3,628,564,956.12
  4. Step 4: Simplify right side
    12,137,162,258.49x = 66,059,995,677,799,358,464
  5. Step 5: Solve for x
    x = 66,059,995,677,799,358,464/12,137,162,258.49
  6. Step 6: Final answer
    x = 5,442,787,553.71

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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.