Home / 1,338,858,067.80-2,008,287,101.70-1,012,340,717.40

Finding the Fourth Proportional to 1,338,858,067.80, 2,008,287,101.70 and 1,012,340,717.40

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Solution

The fourth proportional to 1,338,858,067.80, 2,008,287,101.70 and 1,012,340,717.40 is: 1,518,511,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,858,067.80 : 2,008,287,101.70 = 1,012,340,717.40 : x
  2. Step 2: Convert to fraction form
    1,338,858,067.80/2,008,287,101.70 = 1,012,340,717.40/x
  3. Step 3: Cross multiply
    1,338,858,067.80x = 2,008,287,101.70 × 1,012,340,717.40
  4. Step 4: Simplify right side
    1,338,858,067.80x = 2,033,070,805,280,144,640
  5. Step 5: Solve for x
    x = 2,033,070,805,280,144,640/1,338,858,067.80
  6. Step 6: Final answer
    x = 1,518,511,076.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.