Home / 2,135,232,007.20-3,202,848,010.80-1,275,268,615.20

Finding the Fourth Proportional to 2,135,232,007.20, 3,202,848,010.80 and 1,275,268,615.20

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Solution

The fourth proportional to 2,135,232,007.20, 3,202,848,010.80 and 1,275,268,615.20 is: 1,912,902,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,232,007.20 : 3,202,848,010.80 = 1,275,268,615.20 : x
  2. Step 2: Convert to fraction form
    2,135,232,007.20/3,202,848,010.80 = 1,275,268,615.20/x
  3. Step 3: Cross multiply
    2,135,232,007.20x = 3,202,848,010.80 × 1,275,268,615.20
  4. Step 4: Simplify right side
    2,135,232,007.20x = 4,084,491,547,428,990,976
  5. Step 5: Solve for x
    x = 4,084,491,547,428,990,976/2,135,232,007.20
  6. Step 6: Final answer
    x = 1,912,902,922.80

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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.