Home / 543,004,798.90-814,507,198.35-197,969,682.10

Finding the Fourth Proportional to 543,004,798.90, 814,507,198.35 and 197,969,682.10

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Solution

The fourth proportional to 543,004,798.90, 814,507,198.35 and 197,969,682.10 is: 296,954,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,004,798.90 : 814,507,198.35 = 197,969,682.10 : x
  2. Step 2: Convert to fraction form
    543,004,798.90/814,507,198.35 = 197,969,682.10/x
  3. Step 3: Cross multiply
    543,004,798.90x = 814,507,198.35 × 197,969,682.10
  4. Step 4: Simplify right side
    543,004,798.90x = 161,247,731,125,511,136
  5. Step 5: Solve for x
    x = 161,247,731,125,511,136/543,004,798.90
  6. Step 6: Final answer
    x = 296,954,523.15

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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.