Home / 725,130,283,815.73-1,000,682,902,696.40-395,540,504,547.59

Finding the Fourth Proportional to 725,130,283,815.73, 1,000,682,902,696.40 and 395,540,504,547.59

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Solution

The fourth proportional to 725,130,283,815.73, 1,000,682,902,696.40 and 395,540,504,547.59 is: 545,847,593,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,130,283,815.73 : 1,000,682,902,696.40 = 395,540,504,547.59 : x
  2. Step 2: Convert to fraction form
    725,130,283,815.73/1,000,682,902,696.40 = 395,540,504,547.59/x
  3. Step 3: Cross multiply
    725,130,283,815.73x = 1,000,682,902,696.40 × 395,540,504,547.59
  4. Step 4: Simplify right side
    725,130,283,815.73x = 395,810,620,224,681,013,149,696
  5. Step 5: Solve for x
    x = 395,810,620,224,681,013,149,696/725,130,283,815.73
  6. Step 6: Final answer
    x = 545,847,593,265.41

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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.