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Finding the Fourth Proportional to 304,758,497.71, 420,559,573.67 and 179,318,818.27

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Solution

The fourth proportional to 304,758,497.71, 420,559,573.67 and 179,318,818.27 is: 247,455,760.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,758,497.71 : 420,559,573.67 = 179,318,818.27 : x
  2. Step 2: Convert to fraction form
    304,758,497.71/420,559,573.67 = 179,318,818.27/x
  3. Step 3: Cross multiply
    304,758,497.71x = 420,559,573.67 × 179,318,818.27
  4. Step 4: Simplify right side
    304,758,497.71x = 75,414,245,760,536,608
  5. Step 5: Solve for x
    x = 75,414,245,760,536,608/304,758,497.71
  6. Step 6: Final answer
    x = 247,455,760.31

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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.