Home / 686,200,850.44-946,964,488.68-372,935,080.60

Finding the Fourth Proportional to 686,200,850.44, 946,964,488.68 and 372,935,080.60

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Solution

The fourth proportional to 686,200,850.44, 946,964,488.68 and 372,935,080.60 is: 514,654,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,200,850.44 : 946,964,488.68 = 372,935,080.60 : x
  2. Step 2: Convert to fraction form
    686,200,850.44/946,964,488.68 = 372,935,080.60/x
  3. Step 3: Cross multiply
    686,200,850.44x = 946,964,488.68 × 372,935,080.60
  4. Step 4: Simplify right side
    686,200,850.44x = 353,156,277,911,213,568
  5. Step 5: Solve for x
    x = 353,156,277,911,213,568/686,200,850.44
  6. Step 6: Final answer
    x = 514,654,386.81

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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.