Home / 12,118,045,999.05-18,177,068,998.58-7,469,000,131.05

Finding the Fourth Proportional to 12,118,045,999.05, 18,177,068,998.58 and 7,469,000,131.05

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Solution

The fourth proportional to 12,118,045,999.05, 18,177,068,998.58 and 7,469,000,131.05 is: 11,203,500,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,118,045,999.05 : 18,177,068,998.58 = 7,469,000,131.05 : x
  2. Step 2: Convert to fraction form
    12,118,045,999.05/18,177,068,998.58 = 7,469,000,131.05/x
  3. Step 3: Cross multiply
    12,118,045,999.05x = 18,177,068,998.58 × 7,469,000,131.05
  4. Step 4: Simplify right side
    12,118,045,999.05x = 135,764,530,732,461,572,096
  5. Step 5: Solve for x
    x = 135,764,530,732,461,572,096/12,118,045,999.05
  6. Step 6: Final answer
    x = 11,203,500,196.58

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Double scale
Find fourth proportional to 12,118,046,000.05, 18,177,069,000.08 and 7,469,000,132.05
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.