Home / 725,130,283,817.97-1,000,682,902,699.60-395,540,504,549.85

Finding the Fourth Proportional to 725,130,283,817.97, 1,000,682,902,699.60 and 395,540,504,549.85

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Solution

The fourth proportional to 725,130,283,817.97, 1,000,682,902,699.60 and 395,540,504,549.85 is: 545,847,593,268.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,130,283,817.97 : 1,000,682,902,699.60 = 395,540,504,549.85 : x
  2. Step 2: Convert to fraction form
    725,130,283,817.97/1,000,682,902,699.60 = 395,540,504,549.85/x
  3. Step 3: Cross multiply
    725,130,283,817.97x = 1,000,682,902,699.60 × 395,540,504,549.85
  4. Step 4: Simplify right side
    725,130,283,817.97x = 395,810,620,228,208,187,932,672
  5. Step 5: Solve for x
    x = 395,810,620,228,208,187,932,672/725,130,283,817.97
  6. Step 6: Final answer
    x = 545,847,593,268.59

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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.