Home / 353,106,687.51-487,286,772.21-219,094,760.88

Finding the Fourth Proportional to 353,106,687.51, 487,286,772.21 and 219,094,760.88

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Solution

The fourth proportional to 353,106,687.51, 487,286,772.21 and 219,094,760.88 is: 302,350,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,106,687.51 : 487,286,772.21 = 219,094,760.88 : x
  2. Step 2: Convert to fraction form
    353,106,687.51/487,286,772.21 = 219,094,760.88/x
  3. Step 3: Cross multiply
    353,106,687.51x = 487,286,772.21 × 219,094,760.88
  4. Step 4: Simplify right side
    353,106,687.51x = 106,761,978,837,336,976
  5. Step 5: Solve for x
    x = 106,761,978,837,336,976/353,106,687.51
  6. Step 6: Final answer
    x = 302,350,486.73

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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.