Home / 443,233,977.30-664,850,965.95-213,651,465.30

Finding the Fourth Proportional to 443,233,977.30, 664,850,965.95 and 213,651,465.30

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Solution

The fourth proportional to 443,233,977.30, 664,850,965.95 and 213,651,465.30 is: 320,477,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,233,977.30 : 664,850,965.95 = 213,651,465.30 : x
  2. Step 2: Convert to fraction form
    443,233,977.30/664,850,965.95 = 213,651,465.30/x
  3. Step 3: Cross multiply
    443,233,977.30x = 664,850,965.95 × 213,651,465.30
  4. Step 4: Simplify right side
    443,233,977.30x = 142,046,383,081,337,920
  5. Step 5: Solve for x
    x = 142,046,383,081,337,920/443,233,977.30
  6. Step 6: Final answer
    x = 320,477,197.95

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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.