Home / 663,911,933.64-995,799,655.61-221,206,797.89

Finding the Fourth Proportional to 663,911,933.64, 995,799,655.61 and 221,206,797.89

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Solution

The fourth proportional to 663,911,933.64, 995,799,655.61 and 221,206,797.89 is: 331,787,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,911,933.64 : 995,799,655.61 = 221,206,797.89 : x
  2. Step 2: Convert to fraction form
    663,911,933.64/995,799,655.61 = 221,206,797.89/x
  3. Step 3: Cross multiply
    663,911,933.64x = 995,799,655.61 × 221,206,797.89
  4. Step 4: Simplify right side
    663,911,933.64x = 220,277,653,157,452,864
  5. Step 5: Solve for x
    x = 220,277,653,157,452,864/663,911,933.64
  6. Step 6: Final answer
    x = 331,787,458.54

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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.