Home / 725,130,283,818.52-1,000,682,902,700.20-395,540,504,550.33

Finding the Fourth Proportional to 725,130,283,818.52, 1,000,682,902,700.20 and 395,540,504,550.33

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Solution

The fourth proportional to 725,130,283,818.52, 1,000,682,902,700.20 and 395,540,504,550.33 is: 545,847,593,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,130,283,818.52 : 1,000,682,902,700.20 = 395,540,504,550.33 : x
  2. Step 2: Convert to fraction form
    725,130,283,818.52/1,000,682,902,700.20 = 395,540,504,550.33/x
  3. Step 3: Cross multiply
    725,130,283,818.52x = 1,000,682,902,700.20 × 395,540,504,550.33
  4. Step 4: Simplify right side
    725,130,283,818.52x = 395,810,620,228,925,917,233,152
  5. Step 5: Solve for x
    x = 395,810,620,228,925,917,233,152/725,130,283,818.52
  6. Step 6: Final answer
    x = 545,847,593,269.17

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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.