Home / 12,691,297,136.20-19,036,945,704.30-12,473,618,902.60

Finding the Fourth Proportional to 12,691,297,136.20, 19,036,945,704.30 and 12,473,618,902.60

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Solution

The fourth proportional to 12,691,297,136.20, 19,036,945,704.30 and 12,473,618,902.60 is: 18,710,428,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691,297,136.20 : 19,036,945,704.30 = 12,473,618,902.60 : x
  2. Step 2: Convert to fraction form
    12,691,297,136.20/19,036,945,704.30 = 12,473,618,902.60/x
  3. Step 3: Cross multiply
    12,691,297,136.20x = 19,036,945,704.30 × 12,473,618,902.60
  4. Step 4: Simplify right side
    12,691,297,136.20x = 237,459,605,784,926,355,456
  5. Step 5: Solve for x
    x = 237,459,605,784,926,355,456/12,691,297,136.20
  6. Step 6: Final answer
    x = 18,710,428,353.90

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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.