Home / 263,338,053.48-394,721,969.13-171,287,573.40

Finding the Fourth Proportional to 263,338,053.48, 394,721,969.13 and 171,287,573.40

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Solution

The fourth proportional to 263,338,053.48, 394,721,969.13 and 171,287,573.40 is: 256,745,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,338,053.48 : 394,721,969.13 = 171,287,573.40 : x
  2. Step 2: Convert to fraction form
    263,338,053.48/394,721,969.13 = 171,287,573.40/x
  3. Step 3: Cross multiply
    263,338,053.48x = 394,721,969.13 × 171,287,573.40
  4. Step 4: Simplify right side
    263,338,053.48x = 67,610,968,259,947,408
  5. Step 5: Solve for x
    x = 67,610,968,259,947,408/263,338,053.48
  6. Step 6: Final answer
    x = 256,745,910.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.