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Finding the Fourth Proportional to 528,449,192,912.40, 792,673,789,368.60 and 528,449,192,912.40

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Solution

The fourth proportional to 528,449,192,912.40, 792,673,789,368.60 and 528,449,192,912.40 is: 792,673,789,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,449,192,912.40 : 792,673,789,368.60 = 528,449,192,912.40 : x
  2. Step 2: Convert to fraction form
    528,449,192,912.40/792,673,789,368.60 = 528,449,192,912.40/x
  3. Step 3: Cross multiply
    528,449,192,912.40x = 792,673,789,368.60 × 528,449,192,912.40
  4. Step 4: Simplify right side
    528,449,192,912.40x = 418,887,824,234,650,443,710,464
  5. Step 5: Solve for x
    x = 418,887,824,234,650,443,710,464/528,449,192,912.40
  6. Step 6: Final answer
    x = 792,673,789,368.60

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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.