Home / 371,345,128.83-512,468,564.27-204,087,318.66

Finding the Fourth Proportional to 371,345,128.83, 512,468,564.27 and 204,087,318.66

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Solution

The fourth proportional to 371,345,128.83, 512,468,564.27 and 204,087,318.66 is: 281,647,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,345,128.83 : 512,468,564.27 = 204,087,318.66 : x
  2. Step 2: Convert to fraction form
    371,345,128.83/512,468,564.27 = 204,087,318.66/x
  3. Step 3: Cross multiply
    371,345,128.83x = 512,468,564.27 × 204,087,318.66
  4. Step 4: Simplify right side
    371,345,128.83x = 104,588,335,178,383,744
  5. Step 5: Solve for x
    x = 104,588,335,178,383,744/371,345,128.83
  6. Step 6: Final answer
    x = 281,647,252.27

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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.