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Finding the Fourth Proportional to 411,453,433,647.78, 617,180,150,471.67 and 411,453,433,647.78

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Solution

The fourth proportional to 411,453,433,647.78, 617,180,150,471.67 and 411,453,433,647.78 is: 617,180,150,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,453,433,647.78 : 617,180,150,471.67 = 411,453,433,647.78 : x
  2. Step 2: Convert to fraction form
    411,453,433,647.78/617,180,150,471.67 = 411,453,433,647.78/x
  3. Step 3: Cross multiply
    411,453,433,647.78x = 617,180,150,471.67 × 411,453,433,647.78
  4. Step 4: Simplify right side
    411,453,433,647.78x = 253,940,892,090,822,201,180,160
  5. Step 5: Solve for x
    x = 253,940,892,090,822,201,180,160/411,453,433,647.78
  6. Step 6: Final answer
    x = 617,180,150,471.67

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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.