Home / 591,181,092.72-815,858,343-326,858,194.80

Finding the Fourth Proportional to 591,181,092.72, 815,858,343 and 326,858,194.80

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Solution

The fourth proportional to 591,181,092.72, 815,858,343 and 326,858,194.80 is: 451,080,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,181,092.72 : 815,858,343 = 326,858,194.80 : x
  2. Step 2: Convert to fraction form
    591,181,092.72/815,858,343 = 326,858,194.80/x
  3. Step 3: Cross multiply
    591,181,092.72x = 815,858,343 × 326,858,194.80
  4. Step 4: Simplify right side
    591,181,092.72x = 266,669,985,205,499,232
  5. Step 5: Solve for x
    x = 266,669,985,205,499,232/591,181,092.72
  6. Step 6: Final answer
    x = 451,080,030.28

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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.