Home / 682,384,473,122.40-941,720,174,255.72-377,890,129,103.83

Finding the Fourth Proportional to 682,384,473,122.40, 941,720,174,255.72 and 377,890,129,103.83

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Solution

The fourth proportional to 682,384,473,122.40, 941,720,174,255.72 and 377,890,129,103.83 is: 521,504,770,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,384,473,122.40 : 941,720,174,255.72 = 377,890,129,103.83 : x
  2. Step 2: Convert to fraction form
    682,384,473,122.40/941,720,174,255.72 = 377,890,129,103.83/x
  3. Step 3: Cross multiply
    682,384,473,122.40x = 941,720,174,255.72 × 377,890,129,103.83
  4. Step 4: Simplify right side
    682,384,473,122.40x = 355,866,758,229,175,295,803,392
  5. Step 5: Solve for x
    x = 355,866,758,229,175,295,803,392/682,384,473,122.40
  6. Step 6: Final answer
    x = 521,504,770,764.83

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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.