Home / 334,540,478.78-461,638,794.44-193,420,753.36

Finding the Fourth Proportional to 334,540,478.78, 461,638,794.44 and 193,420,753.36

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Solution

The fourth proportional to 334,540,478.78, 461,638,794.44 and 193,420,753.36 is: 266,904,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,540,478.78 : 461,638,794.44 = 193,420,753.36 : x
  2. Step 2: Convert to fraction form
    334,540,478.78/461,638,794.44 = 193,420,753.36/x
  3. Step 3: Cross multiply
    334,540,478.78x = 461,638,794.44 × 193,420,753.36
  4. Step 4: Simplify right side
    334,540,478.78x = 89,290,523,403,361,760
  5. Step 5: Solve for x
    x = 89,290,523,403,361,760/334,540,478.78
  6. Step 6: Final answer
    x = 266,904,990.77

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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.