Home / 725,130,282,558.75-1,000,682,900,962.20-395,540,503,291.38

Finding the Fourth Proportional to 725,130,282,558.75, 1,000,682,900,962.20 and 395,540,503,291.38

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Solution

The fourth proportional to 725,130,282,558.75, 1,000,682,900,962.20 and 395,540,503,291.38 is: 545,847,591,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,130,282,558.75 : 1,000,682,900,962.20 = 395,540,503,291.38 : x
  2. Step 2: Convert to fraction form
    725,130,282,558.75/1,000,682,900,962.20 = 395,540,503,291.38/x
  3. Step 3: Cross multiply
    725,130,282,558.75x = 1,000,682,900,962.20 × 395,540,503,291.38
  4. Step 4: Simplify right side
    725,130,282,558.75x = 395,810,618,281,666,732,359,680
  5. Step 5: Solve for x
    x = 395,810,618,281,666,732,359,680/725,130,282,558.75
  6. Step 6: Final answer
    x = 545,847,591,532.08

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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.