Home / 468,313,328.80-702,469,993.20-439,615,514.80

Finding the Fourth Proportional to 468,313,328.80, 702,469,993.20 and 439,615,514.80

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Solution

The fourth proportional to 468,313,328.80, 702,469,993.20 and 439,615,514.80 is: 659,423,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,313,328.80 : 702,469,993.20 = 439,615,514.80 : x
  2. Step 2: Convert to fraction form
    468,313,328.80/702,469,993.20 = 439,615,514.80/x
  3. Step 3: Cross multiply
    468,313,328.80x = 702,469,993.20 × 439,615,514.80
  4. Step 4: Simplify right side
    468,313,328.80x = 308,816,707,692,170,560
  5. Step 5: Solve for x
    x = 308,816,707,692,170,560/468,313,328.80
  6. Step 6: Final answer
    x = 659,423,272.20

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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.