Home / 313,145,971,987.80-469,526,723,978.58-121,694,466,163.47

Finding the Fourth Proportional to 313,145,971,987.80, 469,526,723,978.58 and 121,694,466,163.47

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Solution

The fourth proportional to 313,145,971,987.80, 469,526,723,978.58 and 121,694,466,163.47 is: 182,466,993,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,145,971,987.80 : 469,526,723,978.58 = 121,694,466,163.47 : x
  2. Step 2: Convert to fraction form
    313,145,971,987.80/469,526,723,978.58 = 121,694,466,163.47/x
  3. Step 3: Cross multiply
    313,145,971,987.80x = 469,526,723,978.58 × 121,694,466,163.47
  4. Step 4: Simplify right side
    313,145,971,987.80x = 57,138,804,024,056,221,794,304
  5. Step 5: Solve for x
    x = 57,138,804,024,056,221,794,304/313,145,971,987.80
  6. Step 6: Final answer
    x = 182,466,993,464.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.