Home / 512,182,191.44-706,878,708.36-292,115,170.64

Finding the Fourth Proportional to 512,182,191.44, 706,878,708.36 and 292,115,170.64

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Solution

The fourth proportional to 512,182,191.44, 706,878,708.36 and 292,115,170.64 is: 403,157,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,182,191.44 : 706,878,708.36 = 292,115,170.64 : x
  2. Step 2: Convert to fraction form
    512,182,191.44/706,878,708.36 = 292,115,170.64/x
  3. Step 3: Cross multiply
    512,182,191.44x = 706,878,708.36 × 292,115,170.64
  4. Step 4: Simplify right side
    512,182,191.44x = 206,489,994,514,364,192
  5. Step 5: Solve for x
    x = 206,489,994,514,364,192/512,182,191.44
  6. Step 6: Final answer
    x = 403,157,309.97

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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.