Home / 348,213,136.04-480,262,120.49-215,979,986.42

Finding the Fourth Proportional to 348,213,136.04, 480,262,120.49 and 215,979,986.42

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Solution

The fourth proportional to 348,213,136.04, 480,262,120.49 and 215,979,986.42 is: 297,883,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,213,136.04 : 480,262,120.49 = 215,979,986.42 : x
  2. Step 2: Convert to fraction form
    348,213,136.04/480,262,120.49 = 215,979,986.42/x
  3. Step 3: Cross multiply
    348,213,136.04x = 480,262,120.49 × 215,979,986.42
  4. Step 4: Simplify right side
    348,213,136.04x = 103,727,006,260,390,704
  5. Step 5: Solve for x
    x = 103,727,006,260,390,704/348,213,136.04
  6. Step 6: Final answer
    x = 297,883,668.15

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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.