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Finding the Fourth Proportional to 7,258,496,529.60, 10,887,744,794.40 and 7,258,496,529.60

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Solution

The fourth proportional to 7,258,496,529.60, 10,887,744,794.40 and 7,258,496,529.60 is: 10,887,744,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258,496,529.60 : 10,887,744,794.40 = 7,258,496,529.60 : x
  2. Step 2: Convert to fraction form
    7,258,496,529.60/10,887,744,794.40 = 7,258,496,529.60/x
  3. Step 3: Cross multiply
    7,258,496,529.60x = 10,887,744,794.40 × 7,258,496,529.60
  4. Step 4: Simplify right side
    7,258,496,529.60x = 79,028,657,805,322,862,592
  5. Step 5: Solve for x
    x = 79,028,657,805,322,862,592/7,258,496,529.60
  6. Step 6: Final answer
    x = 10,887,744,794.40

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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.