Home / 482,414,739.12-723,631,556.16-137,377,231.20

Finding the Fourth Proportional to 482,414,739.12, 723,631,556.16 and 137,377,231.20

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Solution

The fourth proportional to 482,414,739.12, 723,631,556.16 and 137,377,231.20 is: 206,068,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,414,739.12 : 723,631,556.16 = 137,377,231.20 : x
  2. Step 2: Convert to fraction form
    482,414,739.12/723,631,556.16 = 137,377,231.20/x
  3. Step 3: Cross multiply
    482,414,739.12x = 723,631,556.16 × 137,377,231.20
  4. Step 4: Simplify right side
    482,414,739.12x = 99,410,499,594,208,096
  5. Step 5: Solve for x
    x = 99,410,499,594,208,096/482,414,739.12
  6. Step 6: Final answer
    x = 206,068,537.16

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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.