Home / 20,228,630,431.20-30,342,945,646.80-8,594,938,168.80

Finding the Fourth Proportional to 20,228,630,431.20, 30,342,945,646.80 and 8,594,938,168.80

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Solution

The fourth proportional to 20,228,630,431.20, 30,342,945,646.80 and 8,594,938,168.80 is: 12,892,407,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,630,431.20 : 30,342,945,646.80 = 8,594,938,168.80 : x
  2. Step 2: Convert to fraction form
    20,228,630,431.20/30,342,945,646.80 = 8,594,938,168.80/x
  3. Step 3: Cross multiply
    20,228,630,431.20x = 30,342,945,646.80 × 8,594,938,168.80
  4. Step 4: Simplify right side
    20,228,630,431.20x = 260,795,741,693,505,110,016
  5. Step 5: Solve for x
    x = 260,795,741,693,505,110,016/20,228,630,431.20
  6. Step 6: Final answer
    x = 12,892,407,253.20

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Double scale
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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.