Home / 366,080,760.16-505,201,314.54-215,383,935.13

Finding the Fourth Proportional to 366,080,760.16, 505,201,314.54 and 215,383,935.13

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Solution

The fourth proportional to 366,080,760.16, 505,201,314.54 and 215,383,935.13 is: 297,235,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,080,760.16 : 505,201,314.54 = 215,383,935.13 : x
  2. Step 2: Convert to fraction form
    366,080,760.16/505,201,314.54 = 215,383,935.13/x
  3. Step 3: Cross multiply
    366,080,760.16x = 505,201,314.54 × 215,383,935.13
  4. Step 4: Simplify right side
    366,080,760.16x = 108,812,247,158,474,096
  5. Step 5: Solve for x
    x = 108,812,247,158,474,096/366,080,760.16
  6. Step 6: Final answer
    x = 297,235,634.87

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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.