Home / 362,576,491.40-543,864,737.10-313,258,766.60

Finding the Fourth Proportional to 362,576,491.40, 543,864,737.10 and 313,258,766.60

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Solution

The fourth proportional to 362,576,491.40, 543,864,737.10 and 313,258,766.60 is: 469,888,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,576,491.40 : 543,864,737.10 = 313,258,766.60 : x
  2. Step 2: Convert to fraction form
    362,576,491.40/543,864,737.10 = 313,258,766.60/x
  3. Step 3: Cross multiply
    362,576,491.40x = 543,864,737.10 × 313,258,766.60
  4. Step 4: Simplify right side
    362,576,491.40x = 170,370,396,741,179,296
  5. Step 5: Solve for x
    x = 170,370,396,741,179,296/362,576,491.40
  6. Step 6: Final answer
    x = 469,888,149.90

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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.