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Finding the Fourth Proportional to 958,633,271.20, 1,437,949,906.80 and 958,633,271.20

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Solution

The fourth proportional to 958,633,271.20, 1,437,949,906.80 and 958,633,271.20 is: 1,437,949,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,633,271.20 : 1,437,949,906.80 = 958,633,271.20 : x
  2. Step 2: Convert to fraction form
    958,633,271.20/1,437,949,906.80 = 958,633,271.20/x
  3. Step 3: Cross multiply
    958,633,271.20x = 1,437,949,906.80 × 958,633,271.20
  4. Step 4: Simplify right side
    958,633,271.20x = 1,378,466,622,977,419,264
  5. Step 5: Solve for x
    x = 1,378,466,622,977,419,264/958,633,271.20
  6. Step 6: Final answer
    x = 1,437,949,906.80

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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.