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Finding the Fourth Proportional to 958,501,978.10, 1,436,619,226.35 and 498,203,213.30

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Solution

The fourth proportional to 958,501,978.10, 1,436,619,226.35 and 498,203,213.30 is: 746,715,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,501,978.10 : 1,436,619,226.35 = 498,203,213.30 : x
  2. Step 2: Convert to fraction form
    958,501,978.10/1,436,619,226.35 = 498,203,213.30/x
  3. Step 3: Cross multiply
    958,501,978.10x = 1,436,619,226.35 × 498,203,213.30
  4. Step 4: Simplify right side
    958,501,978.10x = 715,728,314,856,130,048
  5. Step 5: Solve for x
    x = 715,728,314,856,130,048/958,501,978.10
  6. Step 6: Final answer
    x = 746,715,532.37

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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.