Home / 358,571,968.75-494,816,252.86-199,793,887.93

Finding the Fourth Proportional to 358,571,968.75, 494,816,252.86 and 199,793,887.93

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Solution

The fourth proportional to 358,571,968.75, 494,816,252.86 and 199,793,887.93 is: 275,708,286.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571,968.75 : 494,816,252.86 = 199,793,887.93 : x
  2. Step 2: Convert to fraction form
    358,571,968.75/494,816,252.86 = 199,793,887.93/x
  3. Step 3: Cross multiply
    358,571,968.75x = 494,816,252.86 × 199,793,887.93
  4. Step 4: Simplify right side
    358,571,968.75x = 98,861,262,969,353,904
  5. Step 5: Solve for x
    x = 98,861,262,969,353,904/358,571,968.75
  6. Step 6: Final answer
    x = 275,708,286.16

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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.