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Finding the Fourth Proportional to 528,449,631,781.90, 792,674,447,672.85 and 528,449,631,781.90

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Solution

The fourth proportional to 528,449,631,781.90, 792,674,447,672.85 and 528,449,631,781.90 is: 792,674,447,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,449,631,781.90 : 792,674,447,672.85 = 528,449,631,781.90 : x
  2. Step 2: Convert to fraction form
    528,449,631,781.90/792,674,447,672.85 = 528,449,631,781.90/x
  3. Step 3: Cross multiply
    528,449,631,781.90x = 792,674,447,672.85 × 528,449,631,781.90
  4. Step 4: Simplify right side
    528,449,631,781.90x = 418,888,519,995,638,539,091,968
  5. Step 5: Solve for x
    x = 418,888,519,995,638,539,091,968/528,449,631,781.90
  6. Step 6: Final answer
    x = 792,674,447,672.85

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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.