Home / 301,511,543.88-415,979,971.02-197,150,703.24

Finding the Fourth Proportional to 301,511,543.88, 415,979,971.02 and 197,150,703.24

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Solution

The fourth proportional to 301,511,543.88, 415,979,971.02 and 197,150,703.24 is: 271,998,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,511,543.88 : 415,979,971.02 = 197,150,703.24 : x
  2. Step 2: Convert to fraction form
    301,511,543.88/415,979,971.02 = 197,150,703.24/x
  3. Step 3: Cross multiply
    301,511,543.88x = 415,979,971.02 × 197,150,703.24
  4. Step 4: Simplify right side
    301,511,543.88x = 82,010,743,820,347,824
  5. Step 5: Solve for x
    x = 82,010,743,820,347,824/301,511,543.88
  6. Step 6: Final answer
    x = 271,998,686.24

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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.