Home / 1,468,206,078.40-2,202,309,117.60-815,171,377.60

Finding the Fourth Proportional to 1,468,206,078.40, 2,202,309,117.60 and 815,171,377.60

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Solution

The fourth proportional to 1,468,206,078.40, 2,202,309,117.60 and 815,171,377.60 is: 1,222,757,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468,206,078.40 : 2,202,309,117.60 = 815,171,377.60 : x
  2. Step 2: Convert to fraction form
    1,468,206,078.40/2,202,309,117.60 = 815,171,377.60/x
  3. Step 3: Cross multiply
    1,468,206,078.40x = 2,202,309,117.60 × 815,171,377.60
  4. Step 4: Simplify right side
    1,468,206,078.40x = 1,795,259,357,295,032,320
  5. Step 5: Solve for x
    x = 1,795,259,357,295,032,320/1,468,206,078.40
  6. Step 6: Final answer
    x = 1,222,757,066.40

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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.