Home / 1,394,501,644.70-2,092,028,262.78-398,531,609.54

Finding the Fourth Proportional to 1,394,501,644.70, 2,092,028,262.78 and 398,531,609.54

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Solution

The fourth proportional to 1,394,501,644.70, 2,092,028,262.78 and 398,531,609.54 is: 597,876,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,501,644.70 : 2,092,028,262.78 = 398,531,609.54 : x
  2. Step 2: Convert to fraction form
    1,394,501,644.70/2,092,028,262.78 = 398,531,609.54/x
  3. Step 3: Cross multiply
    1,394,501,644.70x = 2,092,028,262.78 × 398,531,609.54
  4. Step 4: Simplify right side
    1,394,501,644.70x = 833,739,390,758,423,424
  5. Step 5: Solve for x
    x = 833,739,390,758,423,424/1,394,501,644.70
  6. Step 6: Final answer
    x = 597,876,233.37

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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.