Home / 411,755,153.76-617,752,288.26-165,984,963.48

Finding the Fourth Proportional to 411,755,153.76, 617,752,288.26 and 165,984,963.48

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Solution

The fourth proportional to 411,755,153.76, 617,752,288.26 and 165,984,963.48 is: 249,025,640.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,755,153.76 : 617,752,288.26 = 165,984,963.48 : x
  2. Step 2: Convert to fraction form
    411,755,153.76/617,752,288.26 = 165,984,963.48/x
  3. Step 3: Cross multiply
    411,755,153.76x = 617,752,288.26 × 165,984,963.48
  4. Step 4: Simplify right side
    411,755,153.76x = 102,537,591,006,522,528
  5. Step 5: Solve for x
    x = 102,537,591,006,522,528/411,755,153.76
  6. Step 6: Final answer
    x = 249,025,640.77

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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.