Home / 20,726,066,521.41-31,089,190,861.89-6,561,101,858.73

Finding the Fourth Proportional to 20,726,066,521.41, 31,089,190,861.89 and 6,561,101,858.73

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Solution

The fourth proportional to 20,726,066,521.41, 31,089,190,861.89 and 6,561,101,858.73 is: 9,841,681,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,066,521.41 : 31,089,190,861.89 = 6,561,101,858.73 : x
  2. Step 2: Convert to fraction form
    20,726,066,521.41/31,089,190,861.89 = 6,561,101,858.73/x
  3. Step 3: Cross multiply
    20,726,066,521.41x = 31,089,190,861.89 × 6,561,101,858.73
  4. Step 4: Simplify right side
    20,726,066,521.41x = 203,979,347,950,358,200,320
  5. Step 5: Solve for x
    x = 203,979,347,950,358,200,320/20,726,066,521.41
  6. Step 6: Final answer
    x = 9,841,681,620.56

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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.