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Finding the Fourth Proportional to 221,277,600.90, 331,916,401.35 and 221,277,600.90

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Solution

The fourth proportional to 221,277,600.90, 331,916,401.35 and 221,277,600.90 is: 331,916,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,277,600.90 : 331,916,401.35 = 221,277,600.90 : x
  2. Step 2: Convert to fraction form
    221,277,600.90/331,916,401.35 = 221,277,600.90/x
  3. Step 3: Cross multiply
    221,277,600.90x = 331,916,401.35 × 221,277,600.90
  4. Step 4: Simplify right side
    221,277,600.90x = 73,445,664,990,089,536
  5. Step 5: Solve for x
    x = 73,445,664,990,089,536/221,277,600.90
  6. Step 6: Final answer
    x = 331,916,401.35

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1.5x scale

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.