Home / 358,571,971.83-494,816,257.20-199,793,891.01

Finding the Fourth Proportional to 358,571,971.83, 494,816,257.20 and 199,793,891.01

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Solution

The fourth proportional to 358,571,971.83, 494,816,257.20 and 199,793,891.01 is: 275,708,290.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571,971.83 : 494,816,257.20 = 199,793,891.01 : x
  2. Step 2: Convert to fraction form
    358,571,971.83/494,816,257.20 = 199,793,891.01/x
  3. Step 3: Cross multiply
    358,571,971.83x = 494,816,257.20 × 199,793,891.01
  4. Step 4: Simplify right side
    358,571,971.83x = 98,861,265,360,992,928
  5. Step 5: Solve for x
    x = 98,861,265,360,992,928/358,571,971.83
  6. Step 6: Final answer
    x = 275,708,290.46

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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.