Home / 644,452,074.24-966,980,442.24-321,361,140.48

Finding the Fourth Proportional to 644,452,074.24, 966,980,442.24 and 321,361,140.48

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Solution

The fourth proportional to 644,452,074.24, 966,980,442.24 and 321,361,140.48 is: 482,192,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,452,074.24 : 966,980,442.24 = 321,361,140.48 : x
  2. Step 2: Convert to fraction form
    644,452,074.24/966,980,442.24 = 321,361,140.48/x
  3. Step 3: Cross multiply
    644,452,074.24x = 966,980,442.24 × 321,361,140.48
  4. Step 4: Simplify right side
    644,452,074.24x = 310,749,937,740,101,184
  5. Step 5: Solve for x
    x = 310,749,937,740,101,184/644,452,074.24
  6. Step 6: Final answer
    x = 482,192,470.41

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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.