Home / 846,533,163.06-1,269,963,269.70-321,861,470.64

Finding the Fourth Proportional to 846,533,163.06, 1,269,963,269.70 and 321,861,470.64

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Solution

The fourth proportional to 846,533,163.06, 1,269,963,269.70 and 321,861,470.64 is: 482,854,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,533,163.06 : 1,269,963,269.70 = 321,861,470.64 : x
  2. Step 2: Convert to fraction form
    846,533,163.06/1,269,963,269.70 = 321,861,470.64/x
  3. Step 3: Cross multiply
    846,533,163.06x = 1,269,963,269.70 × 321,861,470.64
  4. Step 4: Simplify right side
    846,533,163.06x = 408,752,245,644,424,960
  5. Step 5: Solve for x
    x = 408,752,245,644,424,960/846,533,163.06
  6. Step 6: Final answer
    x = 482,854,380.05

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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.