Home / 622,137,231.86-858,556,558.77-343,672,917.62

Finding the Fourth Proportional to 622,137,231.86, 858,556,558.77 and 343,672,917.62

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Solution

The fourth proportional to 622,137,231.86, 858,556,558.77 and 343,672,917.62 is: 474,272,591.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,137,231.86 : 858,556,558.77 = 343,672,917.62 : x
  2. Step 2: Convert to fraction form
    622,137,231.86/858,556,558.77 = 343,672,917.62/x
  3. Step 3: Cross multiply
    622,137,231.86x = 858,556,558.77 × 343,672,917.62
  4. Step 4: Simplify right side
    622,137,231.86x = 295,062,637,494,272,896
  5. Step 5: Solve for x
    x = 295,062,637,494,272,896/622,137,231.86
  6. Step 6: Final answer
    x = 474,272,591.94

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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.