Home / 663,871,055.84-995,792,909.09-221,245,879.34

Finding the Fourth Proportional to 663,871,055.84, 995,792,909.09 and 221,245,879.34

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Solution

The fourth proportional to 663,871,055.84, 995,792,909.09 and 221,245,879.34 is: 331,864,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,871,055.84 : 995,792,909.09 = 221,245,879.34 : x
  2. Step 2: Convert to fraction form
    663,871,055.84/995,792,909.09 = 221,245,879.34/x
  3. Step 3: Cross multiply
    663,871,055.84x = 995,792,909.09 × 221,245,879.34
  4. Step 4: Simplify right side
    663,871,055.84x = 220,315,077,815,196,320
  5. Step 5: Solve for x
    x = 220,315,077,815,196,320/663,871,055.84
  6. Step 6: Final answer
    x = 331,864,261.71

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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.