Home / 324,309,569.78-487,240,422.86-207,952,894.82

Finding the Fourth Proportional to 324,309,569.78, 487,240,422.86 and 207,952,894.82

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Solution

The fourth proportional to 324,309,569.78, 487,240,422.86 and 207,952,894.82 is: 312,426,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,309,569.78 : 487,240,422.86 = 207,952,894.82 : x
  2. Step 2: Convert to fraction form
    324,309,569.78/487,240,422.86 = 207,952,894.82/x
  3. Step 3: Cross multiply
    324,309,569.78x = 487,240,422.86 × 207,952,894.82
  4. Step 4: Simplify right side
    324,309,569.78x = 101,323,056,408,795,888
  5. Step 5: Solve for x
    x = 101,323,056,408,795,888/324,309,569.78
  6. Step 6: Final answer
    x = 312,426,970.55

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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.