Home / 324,309,576.76-487,240,433.40-207,952,901.80

Finding the Fourth Proportional to 324,309,576.76, 487,240,433.40 and 207,952,901.80

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Solution

The fourth proportional to 324,309,576.76, 487,240,433.40 and 207,952,901.80 is: 312,426,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,309,576.76 : 487,240,433.40 = 207,952,901.80 : x
  2. Step 2: Convert to fraction form
    324,309,576.76/487,240,433.40 = 207,952,901.80/x
  3. Step 3: Cross multiply
    324,309,576.76x = 487,240,433.40 × 207,952,901.80
  4. Step 4: Simplify right side
    324,309,576.76x = 101,323,061,999,819,648
  5. Step 5: Solve for x
    x = 101,323,061,999,819,648/324,309,576.76
  6. Step 6: Final answer
    x = 312,426,981.07

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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.