Home / 742,203,850.77-1,024,213,252.32-412,200,247.41

Finding the Fourth Proportional to 742,203,850.77, 1,024,213,252.32 and 412,200,247.41

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Solution

The fourth proportional to 742,203,850.77, 1,024,213,252.32 and 412,200,247.41 is: 568,820,756.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,203,850.77 : 1,024,213,252.32 = 412,200,247.41 : x
  2. Step 2: Convert to fraction form
    742,203,850.77/1,024,213,252.32 = 412,200,247.41/x
  3. Step 3: Cross multiply
    742,203,850.77x = 1,024,213,252.32 × 412,200,247.41
  4. Step 4: Simplify right side
    742,203,850.77x = 422,180,956,006,904,832
  5. Step 5: Solve for x
    x = 422,180,956,006,904,832/742,203,850.77
  6. Step 6: Final answer
    x = 568,820,756.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.