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Finding the Fourth Proportional to 665,876,701.80, 933,757,932.60 and 665,876,701.80

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Solution

The fourth proportional to 665,876,701.80, 933,757,932.60 and 665,876,701.80 is: 933,757,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,876,701.80 : 933,757,932.60 = 665,876,701.80 : x
  2. Step 2: Convert to fraction form
    665,876,701.80/933,757,932.60 = 665,876,701.80/x
  3. Step 3: Cross multiply
    665,876,701.80x = 933,757,932.60 × 665,876,701.80
  4. Step 4: Simplify right side
    665,876,701.80x = 621,767,652,439,274,624
  5. Step 5: Solve for x
    x = 621,767,652,439,274,624/665,876,701.80
  6. Step 6: Final answer
    x = 933,757,932.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.