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Finding the Fourth Proportional to 266,242,881, 399,364,321.50 and 64,523,073

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Solution

The fourth proportional to 266,242,881, 399,364,321.50 and 64,523,073 is: 96,784,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,242,881 : 399,364,321.50 = 64,523,073 : x
  2. Step 2: Convert to fraction form
    266,242,881/399,364,321.50 = 64,523,073/x
  3. Step 3: Cross multiply
    266,242,881x = 399,364,321.50 × 64,523,073
  4. Step 4: Simplify right side
    266,242,881x = 25,768,213,269,739,968
  5. Step 5: Solve for x
    x = 25,768,213,269,739,968/266,242,881
  6. Step 6: Final answer
    x = 96,784,609.50

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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.