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Finding the Fourth Proportional to 7,528,463,760.80, 11,267,215,244.40 and 7,528,463,760.80

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Solution

The fourth proportional to 7,528,463,760.80, 11,267,215,244.40 and 7,528,463,760.80 is: 11,267,215,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528,463,760.80 : 11,267,215,244.40 = 7,528,463,760.80 : x
  2. Step 2: Convert to fraction form
    7,528,463,760.80/11,267,215,244.40 = 7,528,463,760.80/x
  3. Step 3: Cross multiply
    7,528,463,760.80x = 11,267,215,244.40 × 7,528,463,760.80
  4. Step 4: Simplify right side
    7,528,463,760.80x = 84,824,821,652,598,718,464
  5. Step 5: Solve for x
    x = 84,824,821,652,598,718,464/7,528,463,760.80
  6. Step 6: Final answer
    x = 11,267,215,244.40

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Double scale
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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.