Home / 852,705,049.38-1,279,179,585.81-262,545,223.02

Finding the Fourth Proportional to 852,705,049.38, 1,279,179,585.81 and 262,545,223.02

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Solution

The fourth proportional to 852,705,049.38, 1,279,179,585.81 and 262,545,223.02 is: 393,855,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,705,049.38 : 1,279,179,585.81 = 262,545,223.02 : x
  2. Step 2: Convert to fraction form
    852,705,049.38/1,279,179,585.81 = 262,545,223.02/x
  3. Step 3: Cross multiply
    852,705,049.38x = 1,279,179,585.81 × 262,545,223.02
  4. Step 4: Simplify right side
    852,705,049.38x = 335,842,489,639,117,696
  5. Step 5: Solve for x
    x = 335,842,489,639,117,696/852,705,049.38
  6. Step 6: Final answer
    x = 393,855,401.56

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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.