Home / 2,155,680,833.83-3,233,033,374.78-990,028,729.51

Finding the Fourth Proportional to 2,155,680,833.83, 3,233,033,374.78 and 990,028,729.51

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Solution

The fourth proportional to 2,155,680,833.83, 3,233,033,374.78 and 990,028,729.51 is: 1,484,819,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,680,833.83 : 3,233,033,374.78 = 990,028,729.51 : x
  2. Step 2: Convert to fraction form
    2,155,680,833.83/3,233,033,374.78 = 990,028,729.51/x
  3. Step 3: Cross multiply
    2,155,680,833.83x = 3,233,033,374.78 × 990,028,729.51
  4. Step 4: Simplify right side
    2,155,680,833.83x = 3,200,795,924,489,976,832
  5. Step 5: Solve for x
    x = 3,200,795,924,489,976,832/2,155,680,833.83
  6. Step 6: Final answer
    x = 1,484,819,029.91

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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.