Home / 348,481,158.80-522,721,738.20-331,475,046.80

Finding the Fourth Proportional to 348,481,158.80, 522,721,738.20 and 331,475,046.80

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Solution

The fourth proportional to 348,481,158.80, 522,721,738.20 and 331,475,046.80 is: 497,212,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,481,158.80 : 522,721,738.20 = 331,475,046.80 : x
  2. Step 2: Convert to fraction form
    348,481,158.80/522,721,738.20 = 331,475,046.80/x
  3. Step 3: Cross multiply
    348,481,158.80x = 522,721,738.20 × 331,475,046.80
  4. Step 4: Simplify right side
    348,481,158.80x = 173,269,212,633,222,336
  5. Step 5: Solve for x
    x = 173,269,212,633,222,336/348,481,158.80
  6. Step 6: Final answer
    x = 497,212,570.20

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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.