Home / 2,890,546,382.48-3,988,954,007.68-1,637,483,238.32

Finding the Fourth Proportional to 2,890,546,382.48, 3,988,954,007.68 and 1,637,483,238.32

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Solution

The fourth proportional to 2,890,546,382.48, 3,988,954,007.68 and 1,637,483,238.32 is: 2,259,726,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,546,382.48 : 3,988,954,007.68 = 1,637,483,238.32 : x
  2. Step 2: Convert to fraction form
    2,890,546,382.48/3,988,954,007.68 = 1,637,483,238.32/x
  3. Step 3: Cross multiply
    2,890,546,382.48x = 3,988,954,007.68 × 1,637,483,238.32
  4. Step 4: Simplify right side
    2,890,546,382.48x = 6,531,845,326,005,388,288
  5. Step 5: Solve for x
    x = 6,531,845,326,005,388,288/2,890,546,382.48
  6. Step 6: Final answer
    x = 2,259,726,868.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.