Home / 38,040,291,936.58-57,051,008,702.17-12,857,448,971.72

Finding the Fourth Proportional to 38,040,291,936.58, 57,051,008,702.17 and 12,857,448,971.72

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Solution

The fourth proportional to 38,040,291,936.58, 57,051,008,702.17 and 12,857,448,971.72 is: 19,282,986,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,040,291,936.58 : 57,051,008,702.17 = 12,857,448,971.72 : x
  2. Step 2: Convert to fraction form
    38,040,291,936.58/57,051,008,702.17 = 12,857,448,971.72/x
  3. Step 3: Cross multiply
    38,040,291,936.58x = 57,051,008,702.17 × 12,857,448,971.72
  4. Step 4: Simplify right side
    38,040,291,936.58x = 733,530,433,173,367,160,832
  5. Step 5: Solve for x
    x = 733,530,433,173,367,160,832/38,040,291,936.58
  6. Step 6: Final answer
    x = 19,282,986,429.13

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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.