Home / 416,382,685.20-623,818,200.60-339,288,310.80

Finding the Fourth Proportional to 416,382,685.20, 623,818,200.60 and 339,288,310.80

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Solution

The fourth proportional to 416,382,685.20, 623,818,200.60 and 339,288,310.80 is: 508,316,582.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,382,685.20 : 623,818,200.60 = 339,288,310.80 : x
  2. Step 2: Convert to fraction form
    416,382,685.20/623,818,200.60 = 339,288,310.80/x
  3. Step 3: Cross multiply
    416,382,685.20x = 623,818,200.60 × 339,288,310.80
  4. Step 4: Simplify right side
    416,382,685.20x = 211,654,223,527,869,568
  5. Step 5: Solve for x
    x = 211,654,223,527,869,568/416,382,685.20
  6. Step 6: Final answer
    x = 508,316,582.44

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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.