Home / 543,004,796.40-814,507,194.60-197,969,679.60

Finding the Fourth Proportional to 543,004,796.40, 814,507,194.60 and 197,969,679.60

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Solution

The fourth proportional to 543,004,796.40, 814,507,194.60 and 197,969,679.60 is: 296,954,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,004,796.40 : 814,507,194.60 = 197,969,679.60 : x
  2. Step 2: Convert to fraction form
    543,004,796.40/814,507,194.60 = 197,969,679.60/x
  3. Step 3: Cross multiply
    543,004,796.40x = 814,507,194.60 × 197,969,679.60
  4. Step 4: Simplify right side
    543,004,796.40x = 161,247,728,346,856,864
  5. Step 5: Solve for x
    x = 161,247,728,346,856,864/543,004,796.40
  6. Step 6: Final answer
    x = 296,954,519.40

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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.