Home / 663,871,073.88-995,792,936.10-221,245,897.38

Finding the Fourth Proportional to 663,871,073.88, 995,792,936.10 and 221,245,897.38

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Solution

The fourth proportional to 663,871,073.88, 995,792,936.10 and 221,245,897.38 is: 331,864,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,871,073.88 : 995,792,936.10 = 221,245,897.38 : x
  2. Step 2: Convert to fraction form
    663,871,073.88/995,792,936.10 = 221,245,897.38/x
  3. Step 3: Cross multiply
    663,871,073.88x = 995,792,936.10 × 221,245,897.38
  4. Step 4: Simplify right side
    663,871,073.88x = 220,315,101,752,109,504
  5. Step 5: Solve for x
    x = 220,315,101,752,109,504/663,871,073.88
  6. Step 6: Final answer
    x = 331,864,288.75

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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.