Home / 324,309,572.33-487,240,426.71-207,952,897.37

Finding the Fourth Proportional to 324,309,572.33, 487,240,426.71 and 207,952,897.37

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Solution

The fourth proportional to 324,309,572.33, 487,240,426.71 and 207,952,897.37 is: 312,426,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,309,572.33 : 487,240,426.71 = 207,952,897.37 : x
  2. Step 2: Convert to fraction form
    324,309,572.33/487,240,426.71 = 207,952,897.37/x
  3. Step 3: Cross multiply
    324,309,572.33x = 487,240,426.71 × 207,952,897.37
  4. Step 4: Simplify right side
    324,309,572.33x = 101,323,058,450,441,728
  5. Step 5: Solve for x
    x = 101,323,058,450,441,728/324,309,572.33
  6. Step 6: Final answer
    x = 312,426,974.39

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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.