Home / 358,571,969.25-494,816,253.54-199,793,888.43

Finding the Fourth Proportional to 358,571,969.25, 494,816,253.54 and 199,793,888.43

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Solution

The fourth proportional to 358,571,969.25, 494,816,253.54 and 199,793,888.43 is: 275,708,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571,969.25 : 494,816,253.54 = 199,793,888.43 : x
  2. Step 2: Convert to fraction form
    358,571,969.25/494,816,253.54 = 199,793,888.43/x
  3. Step 3: Cross multiply
    358,571,969.25x = 494,816,253.54 × 199,793,888.43
  4. Step 4: Simplify right side
    358,571,969.25x = 98,861,263,353,121,360
  5. Step 5: Solve for x
    x = 98,861,263,353,121,360/358,571,969.25
  6. Step 6: Final answer
    x = 275,708,286.85

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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.