Home / 809,170,479-1,213,264,217.70-317,294,474.04

Finding the Fourth Proportional to 809,170,479, 1,213,264,217.70 and 317,294,474.04

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Solution

The fourth proportional to 809,170,479, 1,213,264,217.70 and 317,294,474.04 is: 475,748,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,170,479 : 1,213,264,217.70 = 317,294,474.04 : x
  2. Step 2: Convert to fraction form
    809,170,479/1,213,264,217.70 = 317,294,474.04/x
  3. Step 3: Cross multiply
    809,170,479x = 1,213,264,217.70 × 317,294,474.04
  4. Step 4: Simplify right side
    809,170,479x = 384,962,031,826,673,600
  5. Step 5: Solve for x
    x = 384,962,031,826,673,600/809,170,479
  6. Step 6: Final answer
    x = 475,748,982.22

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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.