Home / 440,981,938.68-661,472,907.78-164,654,732.58

Finding the Fourth Proportional to 440,981,938.68, 661,472,907.78 and 164,654,732.58

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Solution

The fourth proportional to 440,981,938.68, 661,472,907.78 and 164,654,732.58 is: 246,982,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,981,938.68 : 661,472,907.78 = 164,654,732.58 : x
  2. Step 2: Convert to fraction form
    440,981,938.68/661,472,907.78 = 164,654,732.58/x
  3. Step 3: Cross multiply
    440,981,938.68x = 661,472,907.78 × 164,654,732.58
  4. Step 4: Simplify right side
    440,981,938.68x = 108,914,644,739,430,912
  5. Step 5: Solve for x
    x = 108,914,644,739,430,912/440,981,938.68
  6. Step 6: Final answer
    x = 246,982,098.78

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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.