Home / 358,571,786.61-494,816,001.90-199,793,705.96

Finding the Fourth Proportional to 358,571,786.61, 494,816,001.90 and 199,793,705.96

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Solution

The fourth proportional to 358,571,786.61, 494,816,001.90 and 199,793,705.96 is: 275,708,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571,786.61 : 494,816,001.90 = 199,793,705.96 : x
  2. Step 2: Convert to fraction form
    358,571,786.61/494,816,001.90 = 199,793,705.96/x
  3. Step 3: Cross multiply
    358,571,786.61x = 494,816,001.90 × 199,793,705.96
  4. Step 4: Simplify right side
    358,571,786.61x = 98,861,122,788,399,216
  5. Step 5: Solve for x
    x = 98,861,122,788,399,216/358,571,786.61
  6. Step 6: Final answer
    x = 275,708,035.26

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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.