Home / 5,450,814,789.12-8,175,928,250.88-3,120,297,200.64

Finding the Fourth Proportional to 5,450,814,789.12, 8,175,928,250.88 and 3,120,297,200.64

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Solution

The fourth proportional to 5,450,814,789.12, 8,175,928,250.88 and 3,120,297,200.64 is: 4,680,277,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450,814,789.12 : 8,175,928,250.88 = 3,120,297,200.64 : x
  2. Step 2: Convert to fraction form
    5,450,814,789.12/8,175,928,250.88 = 3,120,297,200.64/x
  3. Step 3: Cross multiply
    5,450,814,789.12x = 8,175,928,250.88 × 3,120,297,200.64
  4. Step 4: Simplify right side
    5,450,814,789.12x = 25,511,326,033,854,353,408
  5. Step 5: Solve for x
    x = 25,511,326,033,854,353,408/5,450,814,789.12
  6. Step 6: Final answer
    x = 4,680,277,540.30

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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.