Home / 481,162,152.52-664,004,411.22-261,145,578.52

Finding the Fourth Proportional to 481,162,152.52, 664,004,411.22 and 261,145,578.52

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Solution

The fourth proportional to 481,162,152.52, 664,004,411.22 and 261,145,578.52 is: 360,381,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,162,152.52 : 664,004,411.22 = 261,145,578.52 : x
  2. Step 2: Convert to fraction form
    481,162,152.52/664,004,411.22 = 261,145,578.52/x
  3. Step 3: Cross multiply
    481,162,152.52x = 664,004,411.22 × 261,145,578.52
  4. Step 4: Simplify right side
    481,162,152.52x = 173,401,816,107,878,880
  5. Step 5: Solve for x
    x = 173,401,816,107,878,880/481,162,152.52
  6. Step 6: Final answer
    x = 360,381,246.11

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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.