Home / 7,991,557,680.40-11,987,336,520.60-3,395,531,107.60

Finding the Fourth Proportional to 7,991,557,680.40, 11,987,336,520.60 and 3,395,531,107.60

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Solution

The fourth proportional to 7,991,557,680.40, 11,987,336,520.60 and 3,395,531,107.60 is: 5,093,296,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991,557,680.40 : 11,987,336,520.60 = 3,395,531,107.60 : x
  2. Step 2: Convert to fraction form
    7,991,557,680.40/11,987,336,520.60 = 3,395,531,107.60/x
  3. Step 3: Cross multiply
    7,991,557,680.40x = 11,987,336,520.60 × 3,395,531,107.60
  4. Step 4: Simplify right side
    7,991,557,680.40x = 40,703,374,052,966,850,560
  5. Step 5: Solve for x
    x = 40,703,374,052,966,850,560/7,991,557,680.40
  6. Step 6: Final answer
    x = 5,093,296,661.40

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1.5x scale

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.