Home / 7,990,268,955.56-11,988,065,203.71-2,678,906,682.21

Finding the Fourth Proportional to 7,990,268,955.56, 11,988,065,203.71 and 2,678,906,682.21

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Solution

The fourth proportional to 7,990,268,955.56, 11,988,065,203.71 and 2,678,906,682.21 is: 4,019,252,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,268,955.56 : 11,988,065,203.71 = 2,678,906,682.21 : x
  2. Step 2: Convert to fraction form
    7,990,268,955.56/11,988,065,203.71 = 2,678,906,682.21/x
  3. Step 3: Cross multiply
    7,990,268,955.56x = 11,988,065,203.71 × 2,678,906,682.21
  4. Step 4: Simplify right side
    7,990,268,955.56x = 32,114,907,980,987,899,904
  5. Step 5: Solve for x
    x = 32,114,907,980,987,899,904/7,990,268,955.56
  6. Step 6: Final answer
    x = 4,019,252,438.14

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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.