Home / 764,809,418.22-1,147,214,064.17-212,111,839.50

Finding the Fourth Proportional to 764,809,418.22, 1,147,214,064.17 and 212,111,839.50

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Solution

The fourth proportional to 764,809,418.22, 1,147,214,064.17 and 212,111,839.50 is: 318,167,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,809,418.22 : 1,147,214,064.17 = 212,111,839.50 : x
  2. Step 2: Convert to fraction form
    764,809,418.22/1,147,214,064.17 = 212,111,839.50/x
  3. Step 3: Cross multiply
    764,809,418.22x = 1,147,214,064.17 × 212,111,839.50
  4. Step 4: Simplify right side
    764,809,418.22x = 243,337,685,451,900,000
  5. Step 5: Solve for x
    x = 243,337,685,451,900,000/764,809,418.22
  6. Step 6: Final answer
    x = 318,167,741.73

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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.