Home / 38,067,396,384.87-57,065,592,989.30-12,867,579,858.87

Finding the Fourth Proportional to 38,067,396,384.87, 57,065,592,989.30 and 12,867,579,858.87

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Solution

The fourth proportional to 38,067,396,384.87, 57,065,592,989.30 and 12,867,579,858.87 is: 19,289,369,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,067,396,384.87 : 57,065,592,989.30 = 12,867,579,858.87 : x
  2. Step 2: Convert to fraction form
    38,067,396,384.87/57,065,592,989.30 = 12,867,579,858.87/x
  3. Step 3: Cross multiply
    38,067,396,384.87x = 57,065,592,989.30 × 12,867,579,858.87
  4. Step 4: Simplify right side
    38,067,396,384.87x = 734,296,074,983,525,449,728
  5. Step 5: Solve for x
    x = 734,296,074,983,525,449,728/38,067,396,384.87
  6. Step 6: Final answer
    x = 19,289,369,505.59

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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.