Home / 327,470,892.60-491,206,338.90-300,686,266.20

Finding the Fourth Proportional to 327,470,892.60, 491,206,338.90 and 300,686,266.20

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Solution

The fourth proportional to 327,470,892.60, 491,206,338.90 and 300,686,266.20 is: 451,029,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,470,892.60 : 491,206,338.90 = 300,686,266.20 : x
  2. Step 2: Convert to fraction form
    327,470,892.60/491,206,338.90 = 300,686,266.20/x
  3. Step 3: Cross multiply
    327,470,892.60x = 491,206,338.90 × 300,686,266.20
  4. Step 4: Simplify right side
    327,470,892.60x = 147,698,999,977,612,800
  5. Step 5: Solve for x
    x = 147,698,999,977,612,800/327,470,892.60
  6. Step 6: Final answer
    x = 451,029,399.30

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1.5x scale

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.