Home / 1,382,067,826.10-1,897,101,370.30-1,221,926,938.10

Finding the Fourth Proportional to 1,382,067,826.10, 1,897,101,370.30 and 1,221,926,938.10

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Solution

The fourth proportional to 1,382,067,826.10, 1,897,101,370.30 and 1,221,926,938.10 is: 1,677,283,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,067,826.10 : 1,897,101,370.30 = 1,221,926,938.10 : x
  2. Step 2: Convert to fraction form
    1,382,067,826.10/1,897,101,370.30 = 1,221,926,938.10/x
  3. Step 3: Cross multiply
    1,382,067,826.10x = 1,897,101,370.30 × 1,221,926,938.10
  4. Step 4: Simplify right side
    1,382,067,826.10x = 2,318,119,268,675,993,088
  5. Step 5: Solve for x
    x = 2,318,119,268,675,993,088/1,382,067,826.10
  6. Step 6: Final answer
    x = 1,677,283,288.78

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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.