Home / 411,564,708.46-617,468,334.56-165,794,872.66

Finding the Fourth Proportional to 411,564,708.46, 617,468,334.56 and 165,794,872.66

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Solution

The fourth proportional to 411,564,708.46, 617,468,334.56 and 165,794,872.66 is: 248,741,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,564,708.46 : 617,468,334.56 = 165,794,872.66 : x
  2. Step 2: Convert to fraction form
    411,564,708.46/617,468,334.56 = 165,794,872.66/x
  3. Step 3: Cross multiply
    411,564,708.46x = 617,468,334.56 × 165,794,872.66
  4. Step 4: Simplify right side
    411,564,708.46x = 102,373,083,899,957,472
  5. Step 5: Solve for x
    x = 102,373,083,899,957,472/411,564,708.46
  6. Step 6: Final answer
    x = 248,741,162.19

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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.