Home / 694,538,972,170.72-958,489,648,430.08-416,486,805,245.52

Finding the Fourth Proportional to 694,538,972,170.72, 958,489,648,430.08 and 416,486,805,245.52

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Solution

The fourth proportional to 694,538,972,170.72, 958,489,648,430.08 and 416,486,805,245.52 is: 574,767,302,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,538,972,170.72 : 958,489,648,430.08 = 416,486,805,245.52 : x
  2. Step 2: Convert to fraction form
    694,538,972,170.72/958,489,648,430.08 = 416,486,805,245.52/x
  3. Step 3: Cross multiply
    694,538,972,170.72x = 958,489,648,430.08 × 416,486,805,245.52
  4. Step 4: Simplify right side
    694,538,972,170.72x = 399,198,291,535,545,640,157,184
  5. Step 5: Solve for x
    x = 399,198,291,535,545,640,157,184/694,538,972,170.72
  6. Step 6: Final answer
    x = 574,767,302,528.59

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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.