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Finding the Fourth Proportional to 10,880,485,138.80, 15,261,702,958.80 and 10,880,485,138.80

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Solution

The fourth proportional to 10,880,485,138.80, 15,261,702,958.80 and 10,880,485,138.80 is: 15,261,702,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880,485,138.80 : 15,261,702,958.80 = 10,880,485,138.80 : x
  2. Step 2: Convert to fraction form
    10,880,485,138.80/15,261,702,958.80 = 10,880,485,138.80/x
  3. Step 3: Cross multiply
    10,880,485,138.80x = 15,261,702,958.80 × 10,880,485,138.80
  4. Step 4: Simplify right side
    10,880,485,138.80x = 166,054,732,236,003,377,152
  5. Step 5: Solve for x
    x = 166,054,732,236,003,377,152/10,880,485,138.80
  6. Step 6: Final answer
    x = 15,261,702,958.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.