Home / 725,130,283,817.60-1,000,682,902,699-395,540,504,549.47

Finding the Fourth Proportional to 725,130,283,817.60, 1,000,682,902,699 and 395,540,504,549.47

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Solution

The fourth proportional to 725,130,283,817.60, 1,000,682,902,699 and 395,540,504,549.47 is: 545,847,593,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,130,283,817.60 : 1,000,682,902,699 = 395,540,504,549.47 : x
  2. Step 2: Convert to fraction form
    725,130,283,817.60/1,000,682,902,699 = 395,540,504,549.47/x
  3. Step 3: Cross multiply
    725,130,283,817.60x = 1,000,682,902,699 × 395,540,504,549.47
  4. Step 4: Simplify right side
    725,130,283,817.60x = 395,810,620,227,590,652,166,144
  5. Step 5: Solve for x
    x = 395,810,620,227,590,652,166,144/725,130,283,817.60
  6. Step 6: Final answer
    x = 545,847,593,268.02

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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.