Home / 358,571,980.62-494,816,269.15-199,793,899.80

Finding the Fourth Proportional to 358,571,980.62, 494,816,269.15 and 199,793,899.80

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Solution

The fourth proportional to 358,571,980.62, 494,816,269.15 and 199,793,899.80 is: 275,708,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571,980.62 : 494,816,269.15 = 199,793,899.80 : x
  2. Step 2: Convert to fraction form
    358,571,980.62/494,816,269.15 = 199,793,899.80/x
  3. Step 3: Cross multiply
    358,571,980.62x = 494,816,269.15 × 199,793,899.80
  4. Step 4: Simplify right side
    358,571,980.62x = 98,861,272,094,491,872
  5. Step 5: Solve for x
    x = 98,861,272,094,491,872/358,571,980.62
  6. Step 6: Final answer
    x = 275,708,302.49

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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.