Home / 851,400,012,584.98-1,174,939,344,391.20-485,612,744,005.91

Finding the Fourth Proportional to 851,400,012,584.98, 1,174,939,344,391.20 and 485,612,744,005.91

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Solution

The fourth proportional to 851,400,012,584.98, 1,174,939,344,391.20 and 485,612,744,005.91 is: 670,149,765,840.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,400,012,584.98 : 1,174,939,344,391.20 = 485,612,744,005.91 : x
  2. Step 2: Convert to fraction form
    851,400,012,584.98/1,174,939,344,391.20 = 485,612,744,005.91/x
  3. Step 3: Cross multiply
    851,400,012,584.98x = 1,174,939,344,391.20 × 485,612,744,005.91
  4. Step 4: Simplify right side
    851,400,012,584.98x = 570,565,519,070,315,486,904,320
  5. Step 5: Solve for x
    x = 570,565,519,070,315,486,904,320/851,400,012,584.98
  6. Step 6: Final answer
    x = 670,149,765,840.37

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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.