Home / 725,130,283,839.54-1,000,682,902,729.30-395,540,504,571.39

Finding the Fourth Proportional to 725,130,283,839.54, 1,000,682,902,729.30 and 395,540,504,571.39

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Solution

The fourth proportional to 725,130,283,839.54, 1,000,682,902,729.30 and 395,540,504,571.39 is: 545,847,593,298.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,130,283,839.54 : 1,000,682,902,729.30 = 395,540,504,571.39 : x
  2. Step 2: Convert to fraction form
    725,130,283,839.54/1,000,682,902,729.30 = 395,540,504,571.39/x
  3. Step 3: Cross multiply
    725,130,283,839.54x = 1,000,682,902,729.30 × 395,540,504,571.39
  4. Step 4: Simplify right side
    725,130,283,839.54x = 395,810,620,261,510,559,039,488
  5. Step 5: Solve for x
    x = 395,810,620,261,510,559,039,488/725,130,283,839.54
  6. Step 6: Final answer
    x = 545,847,593,298.28

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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.