Home / 654,151,833.54-981,664,104.20-339,308,033.04

Finding the Fourth Proportional to 654,151,833.54, 981,664,104.20 and 339,308,033.04

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Solution

The fourth proportional to 654,151,833.54, 981,664,104.20 and 339,308,033.04 is: 509,188,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,151,833.54 : 981,664,104.20 = 339,308,033.04 : x
  2. Step 2: Convert to fraction form
    654,151,833.54/981,664,104.20 = 339,308,033.04/x
  3. Step 3: Cross multiply
    654,151,833.54x = 981,664,104.20 × 339,308,033.04
  4. Step 4: Simplify right side
    654,151,833.54x = 333,086,516,300,379,072
  5. Step 5: Solve for x
    x = 333,086,516,300,379,072/654,151,833.54
  6. Step 6: Final answer
    x = 509,188,385.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.