Home / 499,382,866.20-749,204,936.10-192,684,984.60

Finding the Fourth Proportional to 499,382,866.20, 749,204,936.10 and 192,684,984.60

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Solution

The fourth proportional to 499,382,866.20, 749,204,936.10 and 192,684,984.60 is: 289,077,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,382,866.20 : 749,204,936.10 = 192,684,984.60 : x
  2. Step 2: Convert to fraction form
    499,382,866.20/749,204,936.10 = 192,684,984.60/x
  3. Step 3: Cross multiply
    499,382,866.20x = 749,204,936.10 × 192,684,984.60
  4. Step 4: Simplify right side
    499,382,866.20x = 144,360,541,574,672,480
  5. Step 5: Solve for x
    x = 144,360,541,574,672,480/499,382,866.20
  6. Step 6: Final answer
    x = 289,077,882.61

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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.