Home / 411,755,152.76-617,752,286.76-165,984,962.48

Finding the Fourth Proportional to 411,755,152.76, 617,752,286.76 and 165,984,962.48

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Solution

The fourth proportional to 411,755,152.76, 617,752,286.76 and 165,984,962.48 is: 249,025,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,755,152.76 : 617,752,286.76 = 165,984,962.48 : x
  2. Step 2: Convert to fraction form
    411,755,152.76/617,752,286.76 = 165,984,962.48/x
  3. Step 3: Cross multiply
    411,755,152.76x = 617,752,286.76 × 165,984,962.48
  4. Step 4: Simplify right side
    411,755,152.76x = 102,537,590,139,792,800
  5. Step 5: Solve for x
    x = 102,537,590,139,792,800/411,755,152.76
  6. Step 6: Final answer
    x = 249,025,639.27

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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.