Home / 1,382,067,821.10-1,897,101,363.44-1,221,926,933.10

Finding the Fourth Proportional to 1,382,067,821.10, 1,897,101,363.44 and 1,221,926,933.10

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Solution

The fourth proportional to 1,382,067,821.10, 1,897,101,363.44 and 1,221,926,933.10 is: 1,677,283,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,067,821.10 : 1,897,101,363.44 = 1,221,926,933.10 : x
  2. Step 2: Convert to fraction form
    1,382,067,821.10/1,897,101,363.44 = 1,221,926,933.10/x
  3. Step 3: Cross multiply
    1,382,067,821.10x = 1,897,101,363.44 × 1,221,926,933.10
  4. Step 4: Simplify right side
    1,382,067,821.10x = 2,318,119,250,801,957,888
  5. Step 5: Solve for x
    x = 2,318,119,250,801,957,888/1,382,067,821.10
  6. Step 6: Final answer
    x = 1,677,283,281.91

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Double scale
Find fourth proportional to 1,382,067,822.10, 1,897,101,364.81 and 1,221,926,934.10
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1.5x scale

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.