Home / 400,608,824.22-552,843,423.42-221,995,696.04

Finding the Fourth Proportional to 400,608,824.22, 552,843,423.42 and 221,995,696.04

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Solution

The fourth proportional to 400,608,824.22, 552,843,423.42 and 221,995,696.04 is: 306,355,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,608,824.22 : 552,843,423.42 = 221,995,696.04 : x
  2. Step 2: Convert to fraction form
    400,608,824.22/552,843,423.42 = 221,995,696.04/x
  3. Step 3: Cross multiply
    400,608,824.22x = 552,843,423.42 × 221,995,696.04
  4. Step 4: Simplify right side
    400,608,824.22x = 122,728,860,581,735,792
  5. Step 5: Solve for x
    x = 122,728,860,581,735,792/400,608,824.22
  6. Step 6: Final answer
    x = 306,355,859.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.