Home / 809,993,199.69-1,215,061,567.79-227,732,512.55

Finding the Fourth Proportional to 809,993,199.69, 1,215,061,567.79 and 227,732,512.55

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Solution

The fourth proportional to 809,993,199.69, 1,215,061,567.79 and 227,732,512.55 is: 341,618,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,993,199.69 : 1,215,061,567.79 = 227,732,512.55 : x
  2. Step 2: Convert to fraction form
    809,993,199.69/1,215,061,567.79 = 227,732,512.55/x
  3. Step 3: Cross multiply
    809,993,199.69x = 1,215,061,567.79 × 227,732,512.55
  4. Step 4: Simplify right side
    809,993,199.69x = 276,709,023,728,544,896
  5. Step 5: Solve for x
    x = 276,709,023,728,544,896/809,993,199.69
  6. Step 6: Final answer
    x = 341,618,946.72

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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.