Home / 411,564,708.11-617,468,334.05-165,794,872.31

Finding the Fourth Proportional to 411,564,708.11, 617,468,334.05 and 165,794,872.31

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Solution

The fourth proportional to 411,564,708.11, 617,468,334.05 and 165,794,872.31 is: 248,741,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,564,708.11 : 617,468,334.05 = 165,794,872.31 : x
  2. Step 2: Convert to fraction form
    411,564,708.11/617,468,334.05 = 165,794,872.31/x
  3. Step 3: Cross multiply
    411,564,708.11x = 617,468,334.05 × 165,794,872.31
  4. Step 4: Simplify right side
    411,564,708.11x = 102,373,083,601,246,336
  5. Step 5: Solve for x
    x = 102,373,083,601,246,336/411,564,708.11
  6. Step 6: Final answer
    x = 248,741,161.68

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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.