Home / 298,981,768,484.52-412,597,413,100.80-170,529,720,771.24

Finding the Fourth Proportional to 298,981,768,484.52, 412,597,413,100.80 and 170,529,720,771.24

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Solution

The fourth proportional to 298,981,768,484.52, 412,597,413,100.80 and 170,529,720,771.24 is: 235,332,481,989.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,981,768,484.52 : 412,597,413,100.80 = 170,529,720,771.24 : x
  2. Step 2: Convert to fraction form
    298,981,768,484.52/412,597,413,100.80 = 170,529,720,771.24/x
  3. Step 3: Cross multiply
    298,981,768,484.52x = 412,597,413,100.80 × 170,529,720,771.24
  4. Step 4: Simplify right side
    298,981,768,484.52x = 70,360,121,647,015,378,550,784
  5. Step 5: Solve for x
    x = 70,360,121,647,015,378,550,784/298,981,768,484.52
  6. Step 6: Final answer
    x = 235,332,481,989.31

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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.