Home / 20,228,630,191.20-30,342,945,286.80-8,594,937,928.80

Finding the Fourth Proportional to 20,228,630,191.20, 30,342,945,286.80 and 8,594,937,928.80

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Solution

The fourth proportional to 20,228,630,191.20, 30,342,945,286.80 and 8,594,937,928.80 is: 12,892,406,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,630,191.20 : 30,342,945,286.80 = 8,594,937,928.80 : x
  2. Step 2: Convert to fraction form
    20,228,630,191.20/30,342,945,286.80 = 8,594,937,928.80/x
  3. Step 3: Cross multiply
    20,228,630,191.20x = 30,342,945,286.80 × 8,594,937,928.80
  4. Step 4: Simplify right side
    20,228,630,191.20x = 260,795,731,317,020,491,776
  5. Step 5: Solve for x
    x = 260,795,731,317,020,491,776/20,228,630,191.20
  6. Step 6: Final answer
    x = 12,892,406,893.20

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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.