Home / 474,579,002.20-664,864,099.40-474,579,002.20

Finding the Fourth Proportional to 474,579,002.20, 664,864,099.40 and 474,579,002.20

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Solution

The fourth proportional to 474,579,002.20, 664,864,099.40 and 474,579,002.20 is: 664,864,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,579,002.20 : 664,864,099.40 = 474,579,002.20 : x
  2. Step 2: Convert to fraction form
    474,579,002.20/664,864,099.40 = 474,579,002.20/x
  3. Step 3: Cross multiply
    474,579,002.20x = 664,864,099.40 × 474,579,002.20
  4. Step 4: Simplify right side
    474,579,002.20x = 315,530,540,891,853,568
  5. Step 5: Solve for x
    x = 315,530,540,891,853,568/474,579,002.20
  6. Step 6: Final answer
    x = 664,864,099.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.