Home / 445,250,412.20-667,880,760.24-134,360,721.72

Finding the Fourth Proportional to 445,250,412.20, 667,880,760.24 and 134,360,721.72

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Solution

The fourth proportional to 445,250,412.20, 667,880,760.24 and 134,360,721.72 is: 201,542,634.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,250,412.20 : 667,880,760.24 = 134,360,721.72 : x
  2. Step 2: Convert to fraction form
    445,250,412.20/667,880,760.24 = 134,360,721.72/x
  3. Step 3: Cross multiply
    445,250,412.20x = 667,880,760.24 × 134,360,721.72
  4. Step 4: Simplify right side
    445,250,412.20x = 89,736,940,968,748,688
  5. Step 5: Solve for x
    x = 89,736,940,968,748,688/445,250,412.20
  6. Step 6: Final answer
    x = 201,542,634.23

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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.