Home / 322,640,075,257.22-445,444,242,388.34-205,383,879,434.30

Finding the Fourth Proportional to 322,640,075,257.22, 445,444,242,388.34 and 205,383,879,434.30

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Solution

The fourth proportional to 322,640,075,257.22, 445,444,242,388.34 and 205,383,879,434.30 is: 283,557,665,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,640,075,257.22 : 445,444,242,388.34 = 205,383,879,434.30 : x
  2. Step 2: Convert to fraction form
    322,640,075,257.22/445,444,242,388.34 = 205,383,879,434.30/x
  3. Step 3: Cross multiply
    322,640,075,257.22x = 445,444,242,388.34 × 205,383,879,434.30
  4. Step 4: Simplify right side
    322,640,075,257.22x = 91,487,066,573,389,923,614,720
  5. Step 5: Solve for x
    x = 91,487,066,573,389,923,614,720/322,640,075,257.22
  6. Step 6: Final answer
    x = 283,557,665,613.78

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1.5x scale

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.