Home / 38,539,882,732.93-57,809,590,929.65-20,965,251,758.65

Finding the Fourth Proportional to 38,539,882,732.93, 57,809,590,929.65 and 20,965,251,758.65

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Solution

The fourth proportional to 38,539,882,732.93, 57,809,590,929.65 and 20,965,251,758.65 is: 31,447,750,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539,882,732.93 : 57,809,590,929.65 = 20,965,251,758.65 : x
  2. Step 2: Convert to fraction form
    38,539,882,732.93/57,809,590,929.65 = 20,965,251,758.65/x
  3. Step 3: Cross multiply
    38,539,882,732.93x = 57,809,590,929.65 × 20,965,251,758.65
  4. Step 4: Simplify right side
    38,539,882,732.93x = 1,211,992,627,904,508,329,984
  5. Step 5: Solve for x
    x = 1,211,992,627,904,508,329,984/38,539,882,732.93
  6. Step 6: Final answer
    x = 31,447,750,796.32

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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.