Home / 809,170,478-1,213,264,216.20-317,294,473.04

Finding the Fourth Proportional to 809,170,478, 1,213,264,216.20 and 317,294,473.04

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Solution

The fourth proportional to 809,170,478, 1,213,264,216.20 and 317,294,473.04 is: 475,748,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,170,478 : 1,213,264,216.20 = 317,294,473.04 : x
  2. Step 2: Convert to fraction form
    809,170,478/1,213,264,216.20 = 317,294,473.04/x
  3. Step 3: Cross multiply
    809,170,478x = 1,213,264,216.20 × 317,294,473.04
  4. Step 4: Simplify right side
    809,170,478x = 384,962,030,137,467,648
  5. Step 5: Solve for x
    x = 384,962,030,137,467,648/809,170,478
  6. Step 6: Final answer
    x = 475,748,980.72

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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.