Home / 348,213,136.54-480,262,121.17-215,979,986.92

Finding the Fourth Proportional to 348,213,136.54, 480,262,121.17 and 215,979,986.92

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Solution

The fourth proportional to 348,213,136.54, 480,262,121.17 and 215,979,986.92 is: 297,883,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,213,136.54 : 480,262,121.17 = 215,979,986.92 : x
  2. Step 2: Convert to fraction form
    348,213,136.54/480,262,121.17 = 215,979,986.92/x
  3. Step 3: Cross multiply
    348,213,136.54x = 480,262,121.17 × 215,979,986.92
  4. Step 4: Simplify right side
    348,213,136.54x = 103,727,006,648,468,048
  5. Step 5: Solve for x
    x = 103,727,006,648,468,048/348,213,136.54
  6. Step 6: Final answer
    x = 297,883,668.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.