Home / 358,571,970.50-494,816,255.27-199,793,889.68

Finding the Fourth Proportional to 358,571,970.50, 494,816,255.27 and 199,793,889.68

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Solution

The fourth proportional to 358,571,970.50, 494,816,255.27 and 199,793,889.68 is: 275,708,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571,970.50 : 494,816,255.27 = 199,793,889.68 : x
  2. Step 2: Convert to fraction form
    358,571,970.50/494,816,255.27 = 199,793,889.68/x
  3. Step 3: Cross multiply
    358,571,970.50x = 494,816,255.27 × 199,793,889.68
  4. Step 4: Simplify right side
    358,571,970.50x = 98,861,264,317,285,104
  5. Step 5: Solve for x
    x = 98,861,264,317,285,104/358,571,970.50
  6. Step 6: Final answer
    x = 275,708,288.57

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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.