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Finding the Fourth Proportional to 3,880,453,280.85, 5,820,679,921.28 and 3,880,453,280.85

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Solution

The fourth proportional to 3,880,453,280.85, 5,820,679,921.28 and 3,880,453,280.85 is: 5,820,679,921.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,453,280.85 : 5,820,679,921.28 = 3,880,453,280.85 : x
  2. Step 2: Convert to fraction form
    3,880,453,280.85/5,820,679,921.28 = 3,880,453,280.85/x
  3. Step 3: Cross multiply
    3,880,453,280.85x = 5,820,679,921.28 × 3,880,453,280.85
  4. Step 4: Simplify right side
    3,880,453,280.85x = 22,586,876,497,289,289,728
  5. Step 5: Solve for x
    x = 22,586,876,497,289,289,728/3,880,453,280.85
  6. Step 6: Final answer
    x = 5,820,679,921.28

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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.