Home / 1,382,067,820.35-1,897,101,362.41-1,221,926,932.35

Finding the Fourth Proportional to 1,382,067,820.35, 1,897,101,362.41 and 1,221,926,932.35

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Solution

The fourth proportional to 1,382,067,820.35, 1,897,101,362.41 and 1,221,926,932.35 is: 1,677,283,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,067,820.35 : 1,897,101,362.41 = 1,221,926,932.35 : x
  2. Step 2: Convert to fraction form
    1,382,067,820.35/1,897,101,362.41 = 1,221,926,932.35/x
  3. Step 3: Cross multiply
    1,382,067,820.35x = 1,897,101,362.41 × 1,221,926,932.35
  4. Step 4: Simplify right side
    1,382,067,820.35x = 2,318,119,248,123,601,920
  5. Step 5: Solve for x
    x = 2,318,119,248,123,601,920/1,382,067,820.35
  6. Step 6: Final answer
    x = 1,677,283,280.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.