Home / 681,344,722.61-1,022,025,221.61-190,028,099.37

Finding the Fourth Proportional to 681,344,722.61, 1,022,025,221.61 and 190,028,099.37

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Solution

The fourth proportional to 681,344,722.61, 1,022,025,221.61 and 190,028,099.37 is: 285,044,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,344,722.61 : 1,022,025,221.61 = 190,028,099.37 : x
  2. Step 2: Convert to fraction form
    681,344,722.61/1,022,025,221.61 = 190,028,099.37/x
  3. Step 3: Cross multiply
    681,344,722.61x = 1,022,025,221.61 × 190,028,099.37
  4. Step 4: Simplify right side
    681,344,722.61x = 194,213,510,373,861,824
  5. Step 5: Solve for x
    x = 194,213,510,373,861,824/681,344,722.61
  6. Step 6: Final answer
    x = 285,044,418.68

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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.