Home / 290,327,564.20-435,491,346.30-193,581,682.60

Finding the Fourth Proportional to 290,327,564.20, 435,491,346.30 and 193,581,682.60

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Solution

The fourth proportional to 290,327,564.20, 435,491,346.30 and 193,581,682.60 is: 290,372,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,327,564.20 : 435,491,346.30 = 193,581,682.60 : x
  2. Step 2: Convert to fraction form
    290,327,564.20/435,491,346.30 = 193,581,682.60/x
  3. Step 3: Cross multiply
    290,327,564.20x = 435,491,346.30 × 193,581,682.60
  4. Step 4: Simplify right side
    290,327,564.20x = 84,303,147,574,493,280
  5. Step 5: Solve for x
    x = 84,303,147,574,493,280/290,327,564.20
  6. Step 6: Final answer
    x = 290,372,523.90

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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.