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Finding the Fourth Proportional to 539,339,640.48, 809,033,006.51 and 170,901,744.68

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Solution

The fourth proportional to 539,339,640.48, 809,033,006.51 and 170,901,744.68 is: 256,360,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,339,640.48 : 809,033,006.51 = 170,901,744.68 : x
  2. Step 2: Convert to fraction form
    539,339,640.48/809,033,006.51 = 170,901,744.68/x
  3. Step 3: Cross multiply
    539,339,640.48x = 809,033,006.51 × 170,901,744.68
  4. Step 4: Simplify right side
    539,339,640.48x = 138,265,152,318,073,744
  5. Step 5: Solve for x
    x = 138,265,152,318,073,744/539,339,640.48
  6. Step 6: Final answer
    x = 256,360,078.03

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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.