Home / 485,171,950.68-727,833,170.43-205,054,044.33

Finding the Fourth Proportional to 485,171,950.68, 727,833,170.43 and 205,054,044.33

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Solution

The fourth proportional to 485,171,950.68, 727,833,170.43 and 205,054,044.33 is: 307,612,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,171,950.68 : 727,833,170.43 = 205,054,044.33 : x
  2. Step 2: Convert to fraction form
    485,171,950.68/727,833,170.43 = 205,054,044.33/x
  3. Step 3: Cross multiply
    485,171,950.68x = 727,833,170.43 × 205,054,044.33
  4. Step 4: Simplify right side
    485,171,950.68x = 149,245,135,194,197,664
  5. Step 5: Solve for x
    x = 149,245,135,194,197,664/485,171,950.68
  6. Step 6: Final answer
    x = 307,612,867.94

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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.