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Finding the Fourth Proportional to 2,989,776,481.40, 4,484,664,722.10 and 2,989,776,481.40

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Solution

The fourth proportional to 2,989,776,481.40, 4,484,664,722.10 and 2,989,776,481.40 is: 4,484,664,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,776,481.40 : 4,484,664,722.10 = 2,989,776,481.40 : x
  2. Step 2: Convert to fraction form
    2,989,776,481.40/4,484,664,722.10 = 2,989,776,481.40/x
  3. Step 3: Cross multiply
    2,989,776,481.40x = 4,484,664,722.10 × 2,989,776,481.40
  4. Step 4: Simplify right side
    2,989,776,481.40x = 13,408,145,113,098,848,256
  5. Step 5: Solve for x
    x = 13,408,145,113,098,848,256/2,989,776,481.40
  6. Step 6: Final answer
    x = 4,484,664,722.10

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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.