Home / 663,871,057.10-995,792,910.96-221,245,880.60

Finding the Fourth Proportional to 663,871,057.10, 995,792,910.96 and 221,245,880.60

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Solution

The fourth proportional to 663,871,057.10, 995,792,910.96 and 221,245,880.60 is: 331,864,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,871,057.10 : 995,792,910.96 = 221,245,880.60 : x
  2. Step 2: Convert to fraction form
    663,871,057.10/995,792,910.96 = 221,245,880.60/x
  3. Step 3: Cross multiply
    663,871,057.10x = 995,792,910.96 × 221,245,880.60
  4. Step 4: Simplify right side
    663,871,057.10x = 220,315,079,480,582,592
  5. Step 5: Solve for x
    x = 220,315,079,480,582,592/663,871,057.10
  6. Step 6: Final answer
    x = 331,864,263.59

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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.