Home / 474,568,209.18-711,953,958.24-147,036,469.86

Finding the Fourth Proportional to 474,568,209.18, 711,953,958.24 and 147,036,469.86

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Solution

The fourth proportional to 474,568,209.18, 711,953,958.24 and 147,036,469.86 is: 220,586,197.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,568,209.18 : 711,953,958.24 = 147,036,469.86 : x
  2. Step 2: Convert to fraction form
    474,568,209.18/711,953,958.24 = 147,036,469.86/x
  3. Step 3: Cross multiply
    474,568,209.18x = 711,953,958.24 × 147,036,469.86
  4. Step 4: Simplify right side
    474,568,209.18x = 104,683,196,722,463,472
  5. Step 5: Solve for x
    x = 104,683,196,722,463,472/474,568,209.18
  6. Step 6: Final answer
    x = 220,586,197.51

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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.