Home / 1,281,954,851.40-1,922,932,277.10-1,268,349,961.80

Finding the Fourth Proportional to 1,281,954,851.40, 1,922,932,277.10 and 1,268,349,961.80

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Solution

The fourth proportional to 1,281,954,851.40, 1,922,932,277.10 and 1,268,349,961.80 is: 1,902,524,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,954,851.40 : 1,922,932,277.10 = 1,268,349,961.80 : x
  2. Step 2: Convert to fraction form
    1,281,954,851.40/1,922,932,277.10 = 1,268,349,961.80/x
  3. Step 3: Cross multiply
    1,281,954,851.40x = 1,922,932,277.10 × 1,268,349,961.80
  4. Step 4: Simplify right side
    1,281,954,851.40x = 2,438,951,080,203,771,904
  5. Step 5: Solve for x
    x = 2,438,951,080,203,771,904/1,281,954,851.40
  6. Step 6: Final answer
    x = 1,902,524,942.70

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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.