Home / 663,911,932.14-995,799,653.35-221,206,796.38

Finding the Fourth Proportional to 663,911,932.14, 995,799,653.35 and 221,206,796.38

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Solution

The fourth proportional to 663,911,932.14, 995,799,653.35 and 221,206,796.38 is: 331,787,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,911,932.14 : 995,799,653.35 = 221,206,796.38 : x
  2. Step 2: Convert to fraction form
    663,911,932.14/995,799,653.35 = 221,206,796.38/x
  3. Step 3: Cross multiply
    663,911,932.14x = 995,799,653.35 × 221,206,796.38
  4. Step 4: Simplify right side
    663,911,932.14x = 220,277,651,153,868,032
  5. Step 5: Solve for x
    x = 220,277,651,153,868,032/663,911,932.14
  6. Step 6: Final answer
    x = 331,787,456.27

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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.