Home / 663,911,932.64-995,799,654.11-221,206,796.89

Finding the Fourth Proportional to 663,911,932.64, 995,799,654.11 and 221,206,796.89

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Solution

The fourth proportional to 663,911,932.64, 995,799,654.11 and 221,206,796.89 is: 331,787,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,911,932.64 : 995,799,654.11 = 221,206,796.89 : x
  2. Step 2: Convert to fraction form
    663,911,932.64/995,799,654.11 = 221,206,796.89/x
  3. Step 3: Cross multiply
    663,911,932.64x = 995,799,654.11 × 221,206,796.89
  4. Step 4: Simplify right side
    663,911,932.64x = 220,277,651,827,906,528
  5. Step 5: Solve for x
    x = 220,277,651,827,906,528/663,911,932.64
  6. Step 6: Final answer
    x = 331,787,457.04

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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.