Home / 543,004,786.40-814,507,179.60-197,969,669.60

Finding the Fourth Proportional to 543,004,786.40, 814,507,179.60 and 197,969,669.60

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Solution

The fourth proportional to 543,004,786.40, 814,507,179.60 and 197,969,669.60 is: 296,954,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,004,786.40 : 814,507,179.60 = 197,969,669.60 : x
  2. Step 2: Convert to fraction form
    543,004,786.40/814,507,179.60 = 197,969,669.60/x
  3. Step 3: Cross multiply
    543,004,786.40x = 814,507,179.60 × 197,969,669.60
  4. Step 4: Simplify right side
    543,004,786.40x = 161,247,717,232,239,872
  5. Step 5: Solve for x
    x = 161,247,717,232,239,872/543,004,786.40
  6. Step 6: Final answer
    x = 296,954,504.40

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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.