Home / 1,990,388,003.80-2,985,582,005.70-1,867,704,848.95

Finding the Fourth Proportional to 1,990,388,003.80, 2,985,582,005.70 and 1,867,704,848.95

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Solution

The fourth proportional to 1,990,388,003.80, 2,985,582,005.70 and 1,867,704,848.95 is: 2,801,557,273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,388,003.80 : 2,985,582,005.70 = 1,867,704,848.95 : x
  2. Step 2: Convert to fraction form
    1,990,388,003.80/2,985,582,005.70 = 1,867,704,848.95/x
  3. Step 3: Cross multiply
    1,990,388,003.80x = 2,985,582,005.70 × 1,867,704,848.95
  4. Step 4: Simplify right side
    1,990,388,003.80x = 5,576,185,988,983,756,800
  5. Step 5: Solve for x
    x = 5,576,185,988,983,756,800/1,990,388,003.80
  6. Step 6: Final answer
    x = 2,801,557,273.43

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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.