Home / 725,130,283,819.54-1,000,682,902,701.60-395,540,504,551.33

Finding the Fourth Proportional to 725,130,283,819.54, 1,000,682,902,701.60 and 395,540,504,551.33

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Solution

The fourth proportional to 725,130,283,819.54, 1,000,682,902,701.60 and 395,540,504,551.33 is: 545,847,593,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,130,283,819.54 : 1,000,682,902,701.60 = 395,540,504,551.33 : x
  2. Step 2: Convert to fraction form
    725,130,283,819.54/1,000,682,902,701.60 = 395,540,504,551.33/x
  3. Step 3: Cross multiply
    725,130,283,819.54x = 1,000,682,902,701.60 × 395,540,504,551.33
  4. Step 4: Simplify right side
    725,130,283,819.54x = 395,810,620,230,480,359,849,984
  5. Step 5: Solve for x
    x = 395,810,620,230,480,359,849,984/725,130,283,819.54
  6. Step 6: Final answer
    x = 545,847,593,270.54

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Double scale
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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.