Home / 394,923,666.22-544,732,241.30-253,973,090.86

Finding the Fourth Proportional to 394,923,666.22, 544,732,241.30 and 253,973,090.86

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Solution

The fourth proportional to 394,923,666.22, 544,732,241.30 and 253,973,090.86 is: 350,314,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,923,666.22 : 544,732,241.30 = 253,973,090.86 : x
  2. Step 2: Convert to fraction form
    394,923,666.22/544,732,241.30 = 253,973,090.86/x
  3. Step 3: Cross multiply
    394,923,666.22x = 544,732,241.30 × 253,973,090.86
  4. Step 4: Simplify right side
    394,923,666.22x = 138,347,331,012,377,056
  5. Step 5: Solve for x
    x = 138,347,331,012,377,056/394,923,666.22
  6. Step 6: Final answer
    x = 350,314,105.86

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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.