Home / 324,309,568.07-487,240,420.13-207,952,893.12

Finding the Fourth Proportional to 324,309,568.07, 487,240,420.13 and 207,952,893.12

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Solution

The fourth proportional to 324,309,568.07, 487,240,420.13 and 207,952,893.12 is: 312,426,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,309,568.07 : 487,240,420.13 = 207,952,893.12 : x
  2. Step 2: Convert to fraction form
    324,309,568.07/487,240,420.13 = 207,952,893.12/x
  3. Step 3: Cross multiply
    324,309,568.07x = 487,240,420.13 × 207,952,893.12
  4. Step 4: Simplify right side
    324,309,568.07x = 101,323,055,009,998,032
  5. Step 5: Solve for x
    x = 101,323,055,009,998,032/324,309,568.07
  6. Step 6: Final answer
    x = 312,426,967.90

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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.