Home / 557,360,137.10-835,487,971.79-261,726,042.80

Finding the Fourth Proportional to 557,360,137.10, 835,487,971.79 and 261,726,042.80

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Solution

The fourth proportional to 557,360,137.10, 835,487,971.79 and 261,726,042.80 is: 392,329,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,360,137.10 : 835,487,971.79 = 261,726,042.80 : x
  2. Step 2: Convert to fraction form
    557,360,137.10/835,487,971.79 = 261,726,042.80/x
  3. Step 3: Cross multiply
    557,360,137.10x = 835,487,971.79 × 261,726,042.80
  4. Step 4: Simplify right side
    557,360,137.10x = 218,668,960,664,374,816
  5. Step 5: Solve for x
    x = 218,668,960,664,374,816/557,360,137.10
  6. Step 6: Final answer
    x = 392,329,745.36

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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.