Home / 619,875,198.70-855,428,649.60-337,618,747.96

Finding the Fourth Proportional to 619,875,198.70, 855,428,649.60 and 337,618,747.96

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Solution

The fourth proportional to 619,875,198.70, 855,428,649.60 and 337,618,747.96 is: 465,914,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,875,198.70 : 855,428,649.60 = 337,618,747.96 : x
  2. Step 2: Convert to fraction form
    619,875,198.70/855,428,649.60 = 337,618,747.96/x
  3. Step 3: Cross multiply
    619,875,198.70x = 855,428,649.60 × 337,618,747.96
  4. Step 4: Simplify right side
    619,875,198.70x = 288,808,749,647,065,536
  5. Step 5: Solve for x
    x = 288,808,749,647,065,536/619,875,198.70
  6. Step 6: Final answer
    x = 465,914,348.97

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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.