Home / 1,382,067,824.60-1,897,101,368.24-1,221,926,936.60

Finding the Fourth Proportional to 1,382,067,824.60, 1,897,101,368.24 and 1,221,926,936.60

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Solution

The fourth proportional to 1,382,067,824.60, 1,897,101,368.24 and 1,221,926,936.60 is: 1,677,283,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,067,824.60 : 1,897,101,368.24 = 1,221,926,936.60 : x
  2. Step 2: Convert to fraction form
    1,382,067,824.60/1,897,101,368.24 = 1,221,926,936.60/x
  3. Step 3: Cross multiply
    1,382,067,824.60x = 1,897,101,368.24 × 1,221,926,936.60
  4. Step 4: Simplify right side
    1,382,067,824.60x = 2,318,119,263,313,171,456
  5. Step 5: Solve for x
    x = 2,318,119,263,313,171,456/1,382,067,824.60
  6. Step 6: Final answer
    x = 1,677,283,286.72

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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.