Home / 646,790,099.69-969,797,290.02-296,597,469.74

Finding the Fourth Proportional to 646,790,099.69, 969,797,290.02 and 296,597,469.74

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Solution

The fourth proportional to 646,790,099.69, 969,797,290.02 and 296,597,469.74 is: 444,718,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,790,099.69 : 969,797,290.02 = 296,597,469.74 : x
  2. Step 2: Convert to fraction form
    646,790,099.69/969,797,290.02 = 296,597,469.74/x
  3. Step 3: Cross multiply
    646,790,099.69x = 969,797,290.02 × 296,597,469.74
  4. Step 4: Simplify right side
    646,790,099.69x = 287,639,422,375,791,968
  5. Step 5: Solve for x
    x = 287,639,422,375,791,968/646,790,099.69
  6. Step 6: Final answer
    x = 444,718,344.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.