Home / 441,383,530.38-609,128,167.60-245,813,242.38

Finding the Fourth Proportional to 441,383,530.38, 609,128,167.60 and 245,813,242.38

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Solution

The fourth proportional to 441,383,530.38, 609,128,167.60 and 245,813,242.38 is: 339,232,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,383,530.38 : 609,128,167.60 = 245,813,242.38 : x
  2. Step 2: Convert to fraction form
    441,383,530.38/609,128,167.60 = 245,813,242.38/x
  3. Step 3: Cross multiply
    441,383,530.38x = 609,128,167.60 × 245,813,242.38
  4. Step 4: Simplify right side
    441,383,530.38x = 149,731,769,902,744,064
  5. Step 5: Solve for x
    x = 149,731,769,902,744,064/441,383,530.38
  6. Step 6: Final answer
    x = 339,232,797.78

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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.