Home / 38,539,882,734.92-57,809,590,932.66-20,965,251,760.64

Finding the Fourth Proportional to 38,539,882,734.92, 57,809,590,932.66 and 20,965,251,760.64

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Solution

The fourth proportional to 38,539,882,734.92, 57,809,590,932.66 and 20,965,251,760.64 is: 31,447,750,799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539,882,734.92 : 57,809,590,932.66 = 20,965,251,760.64 : x
  2. Step 2: Convert to fraction form
    38,539,882,734.92/57,809,590,932.66 = 20,965,251,760.64/x
  3. Step 3: Cross multiply
    38,539,882,734.92x = 57,809,590,932.66 × 20,965,251,760.64
  4. Step 4: Simplify right side
    38,539,882,734.92x = 1,211,992,628,082,828,378,112
  5. Step 5: Solve for x
    x = 1,211,992,628,082,828,378,112/38,539,882,734.92
  6. Step 6: Final answer
    x = 31,447,750,799.32

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1.5x scale

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.