Home / 7,991,557,672.40-11,987,336,508.60-3,395,531,099.60

Finding the Fourth Proportional to 7,991,557,672.40, 11,987,336,508.60 and 3,395,531,099.60

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Solution

The fourth proportional to 7,991,557,672.40, 11,987,336,508.60 and 3,395,531,099.60 is: 5,093,296,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991,557,672.40 : 11,987,336,508.60 = 3,395,531,099.60 : x
  2. Step 2: Convert to fraction form
    7,991,557,672.40/11,987,336,508.60 = 3,395,531,099.60/x
  3. Step 3: Cross multiply
    7,991,557,672.40x = 11,987,336,508.60 × 3,395,531,099.60
  4. Step 4: Simplify right side
    7,991,557,672.40x = 40,703,373,916,321,783,808
  5. Step 5: Solve for x
    x = 40,703,373,916,321,783,808/7,991,557,672.40
  6. Step 6: Final answer
    x = 5,093,296,649.40

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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.