Home / 12,096,771,121.20-18,145,156,681.80-9,647,890,993.20

Finding the Fourth Proportional to 12,096,771,121.20, 18,145,156,681.80 and 9,647,890,993.20

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Solution

The fourth proportional to 12,096,771,121.20, 18,145,156,681.80 and 9,647,890,993.20 is: 14,471,836,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,771,121.20 : 18,145,156,681.80 = 9,647,890,993.20 : x
  2. Step 2: Convert to fraction form
    12,096,771,121.20/18,145,156,681.80 = 9,647,890,993.20/x
  3. Step 3: Cross multiply
    12,096,771,121.20x = 18,145,156,681.80 × 9,647,890,993.20
  4. Step 4: Simplify right side
    12,096,771,121.20x = 175,062,493,720,541,036,544
  5. Step 5: Solve for x
    x = 175,062,493,720,541,036,544/12,096,771,121.20
  6. Step 6: Final answer
    x = 14,471,836,489.80

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Double scale
Find fourth proportional to 12,096,771,122.20, 18,145,156,683.30 and 9,647,890,994.20
Similar ratio
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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.