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Finding the Fourth Proportional to 244,943,999.20, 343,375,095.20 and 244,943,999.20

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Solution

The fourth proportional to 244,943,999.20, 343,375,095.20 and 244,943,999.20 is: 343,375,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,943,999.20 : 343,375,095.20 = 244,943,999.20 : x
  2. Step 2: Convert to fraction form
    244,943,999.20/343,375,095.20 = 244,943,999.20/x
  3. Step 3: Cross multiply
    244,943,999.20x = 343,375,095.20 × 244,943,999.20
  4. Step 4: Simplify right side
    244,943,999.20x = 84,107,669,043,968,720
  5. Step 5: Solve for x
    x = 84,107,669,043,968,720/244,943,999.20
  6. Step 6: Final answer
    x = 343,375,095.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.