Home / 512,182,189.44-706,878,705.60-292,115,168.64

Finding the Fourth Proportional to 512,182,189.44, 706,878,705.60 and 292,115,168.64

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Solution

The fourth proportional to 512,182,189.44, 706,878,705.60 and 292,115,168.64 is: 403,157,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,182,189.44 : 706,878,705.60 = 292,115,168.64 : x
  2. Step 2: Convert to fraction form
    512,182,189.44/706,878,705.60 = 292,115,168.64/x
  3. Step 3: Cross multiply
    512,182,189.44x = 706,878,705.60 × 292,115,168.64
  4. Step 4: Simplify right side
    512,182,189.44x = 206,489,992,294,368,896
  5. Step 5: Solve for x
    x = 206,489,992,294,368,896/512,182,189.44
  6. Step 6: Final answer
    x = 403,157,307.21

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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.