Home / 729,654,635.69-1,006,923,942.86-395,127,524.87

Finding the Fourth Proportional to 729,654,635.69, 1,006,923,942.86 and 395,127,524.87

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Solution

The fourth proportional to 729,654,635.69, 1,006,923,942.86 and 395,127,524.87 is: 545,276,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,654,635.69 : 1,006,923,942.86 = 395,127,524.87 : x
  2. Step 2: Convert to fraction form
    729,654,635.69/1,006,923,942.86 = 395,127,524.87/x
  3. Step 3: Cross multiply
    729,654,635.69x = 1,006,923,942.86 × 395,127,524.87
  4. Step 4: Simplify right side
    729,654,635.69x = 397,863,365,267,602,880
  5. Step 5: Solve for x
    x = 397,863,365,267,602,880/729,654,635.69
  6. Step 6: Final answer
    x = 545,276,279.78

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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.