Home / 411,273,825.23-617,012,843.41-204,109,462.91

Finding the Fourth Proportional to 411,273,825.23, 617,012,843.41 and 204,109,462.91

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Solution

The fourth proportional to 411,273,825.23, 617,012,843.41 and 204,109,462.91 is: 306,214,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,273,825.23 : 617,012,843.41 = 204,109,462.91 : x
  2. Step 2: Convert to fraction form
    411,273,825.23/617,012,843.41 = 204,109,462.91/x
  3. Step 3: Cross multiply
    411,273,825.23x = 617,012,843.41 × 204,109,462.91
  4. Step 4: Simplify right side
    411,273,825.23x = 125,938,160,076,987,024
  5. Step 5: Solve for x
    x = 125,938,160,076,987,024/411,273,825.23
  6. Step 6: Final answer
    x = 306,214,867.93

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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.