Home / 2,646,608,643.12-3,970,505,029.32-806,505,334.32

Finding the Fourth Proportional to 2,646,608,643.12, 3,970,505,029.32 and 806,505,334.32

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Solution

The fourth proportional to 2,646,608,643.12, 3,970,505,029.32 and 806,505,334.32 is: 1,209,938,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,608,643.12 : 3,970,505,029.32 = 806,505,334.32 : x
  2. Step 2: Convert to fraction form
    2,646,608,643.12/3,970,505,029.32 = 806,505,334.32/x
  3. Step 3: Cross multiply
    2,646,608,643.12x = 3,970,505,029.32 × 806,505,334.32
  4. Step 4: Simplify right side
    2,646,608,643.12x = 3,202,233,486,090,968,576
  5. Step 5: Solve for x
    x = 3,202,233,486,090,968,576/2,646,608,643.12
  6. Step 6: Final answer
    x = 1,209,938,422.30

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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.