Home / 472,392,506.70-708,588,760.05-395,865,002.70

Finding the Fourth Proportional to 472,392,506.70, 708,588,760.05 and 395,865,002.70

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Solution

The fourth proportional to 472,392,506.70, 708,588,760.05 and 395,865,002.70 is: 593,797,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,506.70 : 708,588,760.05 = 395,865,002.70 : x
  2. Step 2: Convert to fraction form
    472,392,506.70/708,588,760.05 = 395,865,002.70/x
  3. Step 3: Cross multiply
    472,392,506.70x = 708,588,760.05 × 395,865,002.70
  4. Step 4: Simplify right side
    472,392,506.70x = 280,505,491,410,382,880
  5. Step 5: Solve for x
    x = 280,505,491,410,382,880/472,392,506.70
  6. Step 6: Final answer
    x = 593,797,504.05

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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.