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Finding the Fourth Proportional to 15,956,352,859.20, 23,934,529,288.80 and 15,956,352,859.20

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Solution

The fourth proportional to 15,956,352,859.20, 23,934,529,288.80 and 15,956,352,859.20 is: 23,934,529,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956,352,859.20 : 23,934,529,288.80 = 15,956,352,859.20 : x
  2. Step 2: Convert to fraction form
    15,956,352,859.20/23,934,529,288.80 = 15,956,352,859.20/x
  3. Step 3: Cross multiply
    15,956,352,859.20x = 23,934,529,288.80 × 15,956,352,859.20
  4. Step 4: Simplify right side
    15,956,352,859.20x = 381,907,794,850,950,021,120
  5. Step 5: Solve for x
    x = 381,907,794,850,950,021,120/15,956,352,859.20
  6. Step 6: Final answer
    x = 23,934,529,288.80

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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.