Home / 358,571,981.62-494,816,270.52-199,793,900.80

Finding the Fourth Proportional to 358,571,981.62, 494,816,270.52 and 199,793,900.80

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Solution

The fourth proportional to 358,571,981.62, 494,816,270.52 and 199,793,900.80 is: 275,708,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571,981.62 : 494,816,270.52 = 199,793,900.80 : x
  2. Step 2: Convert to fraction form
    358,571,981.62/494,816,270.52 = 199,793,900.80/x
  3. Step 3: Cross multiply
    358,571,981.62x = 494,816,270.52 × 199,793,900.80
  4. Step 4: Simplify right side
    358,571,981.62x = 98,861,272,866,498,848
  5. Step 5: Solve for x
    x = 98,861,272,866,498,848/358,571,981.62
  6. Step 6: Final answer
    x = 275,708,303.87

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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.