Home / 1,382,067,820.85-1,897,101,363.09-1,221,926,932.85

Finding the Fourth Proportional to 1,382,067,820.85, 1,897,101,363.09 and 1,221,926,932.85

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Solution

The fourth proportional to 1,382,067,820.85, 1,897,101,363.09 and 1,221,926,932.85 is: 1,677,283,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,067,820.85 : 1,897,101,363.09 = 1,221,926,932.85 : x
  2. Step 2: Convert to fraction form
    1,382,067,820.85/1,897,101,363.09 = 1,221,926,932.85/x
  3. Step 3: Cross multiply
    1,382,067,820.85x = 1,897,101,363.09 × 1,221,926,932.85
  4. Step 4: Simplify right side
    1,382,067,820.85x = 2,318,119,249,909,172,736
  5. Step 5: Solve for x
    x = 2,318,119,249,909,172,736/1,382,067,820.85
  6. Step 6: Final answer
    x = 1,677,283,281.57

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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.