Home / 485,200,196.80-726,288,640.80-349,151,300.80

Finding the Fourth Proportional to 485,200,196.80, 726,288,640.80 and 349,151,300.80

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Solution

The fourth proportional to 485,200,196.80, 726,288,640.80 and 349,151,300.80 is: 522,639,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,200,196.80 : 726,288,640.80 = 349,151,300.80 : x
  2. Step 2: Convert to fraction form
    485,200,196.80/726,288,640.80 = 349,151,300.80/x
  3. Step 3: Cross multiply
    485,200,196.80x = 726,288,640.80 × 349,151,300.80
  4. Step 4: Simplify right side
    485,200,196.80x = 253,584,623,691,583,936
  5. Step 5: Solve for x
    x = 253,584,623,691,583,936/485,200,196.80
  6. Step 6: Final answer
    x = 522,639,160.83

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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.