Home / 1,382,067,821.54-1,897,101,364.04-1,221,926,933.54

Finding the Fourth Proportional to 1,382,067,821.54, 1,897,101,364.04 and 1,221,926,933.54

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Solution

The fourth proportional to 1,382,067,821.54, 1,897,101,364.04 and 1,221,926,933.54 is: 1,677,283,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,067,821.54 : 1,897,101,364.04 = 1,221,926,933.54 : x
  2. Step 2: Convert to fraction form
    1,382,067,821.54/1,897,101,364.04 = 1,221,926,933.54/x
  3. Step 3: Cross multiply
    1,382,067,821.54x = 1,897,101,364.04 × 1,221,926,933.54
  4. Step 4: Simplify right side
    1,382,067,821.54x = 2,318,119,252,375,948,288
  5. Step 5: Solve for x
    x = 2,318,119,252,375,948,288/1,382,067,821.54
  6. Step 6: Final answer
    x = 1,677,283,282.52

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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.