Home / 2,308,678,465.15-3,185,890,926.96-1,251,383,736.16

Finding the Fourth Proportional to 2,308,678,465.15, 3,185,890,926.96 and 1,251,383,736.16

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Solution

The fourth proportional to 2,308,678,465.15, 3,185,890,926.96 and 1,251,383,736.16 is: 1,726,863,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,678,465.15 : 3,185,890,926.96 = 1,251,383,736.16 : x
  2. Step 2: Convert to fraction form
    2,308,678,465.15/3,185,890,926.96 = 1,251,383,736.16/x
  3. Step 3: Cross multiply
    2,308,678,465.15x = 3,185,890,926.96 × 1,251,383,736.16
  4. Step 4: Simplify right side
    2,308,678,465.15x = 3,986,772,091,177,451,008
  5. Step 5: Solve for x
    x = 3,986,772,091,177,451,008/2,308,678,465.15
  6. Step 6: Final answer
    x = 1,726,863,290.56

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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.