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Finding the Fourth Proportional to 7,260,702,906.85, 10,891,054,360.28 and 7,260,702,906.85

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Solution

The fourth proportional to 7,260,702,906.85, 10,891,054,360.28 and 7,260,702,906.85 is: 10,891,054,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,702,906.85 : 10,891,054,360.28 = 7,260,702,906.85 : x
  2. Step 2: Convert to fraction form
    7,260,702,906.85/10,891,054,360.28 = 7,260,702,906.85/x
  3. Step 3: Cross multiply
    7,260,702,906.85x = 10,891,054,360.28 × 7,260,702,906.85
  4. Step 4: Simplify right side
    7,260,702,906.85x = 79,076,710,052,346,380,288
  5. Step 5: Solve for x
    x = 79,076,710,052,346,380,288/7,260,702,906.85
  6. Step 6: Final answer
    x = 10,891,054,360.28

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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.