Home / 18,788,503,161.42-25,928,236,865.16-11,063,911,386.06

Finding the Fourth Proportional to 18,788,503,161.42, 25,928,236,865.16 and 11,063,911,386.06

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Solution

The fourth proportional to 18,788,503,161.42, 25,928,236,865.16 and 11,063,911,386.06 is: 15,268,258,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788,503,161.42 : 25,928,236,865.16 = 11,063,911,386.06 : x
  2. Step 2: Convert to fraction form
    18,788,503,161.42/25,928,236,865.16 = 11,063,911,386.06/x
  3. Step 3: Cross multiply
    18,788,503,161.42x = 25,928,236,865.16 × 11,063,911,386.06
  4. Step 4: Simplify right side
    18,788,503,161.42x = 286,867,715,072,904,364,032
  5. Step 5: Solve for x
    x = 286,867,715,072,904,364,032/18,788,503,161.42
  6. Step 6: Final answer
    x = 15,268,258,072.95

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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.