Home / 852,946,010.20-1,279,419,005.70-206,713,754.20

Finding the Fourth Proportional to 852,946,010.20, 1,279,419,005.70 and 206,713,754.20

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Solution

The fourth proportional to 852,946,010.20, 1,279,419,005.70 and 206,713,754.20 is: 310,070,628.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,946,010.20 : 1,279,419,005.70 = 206,713,754.20 : x
  2. Step 2: Convert to fraction form
    852,946,010.20/1,279,419,005.70 = 206,713,754.20/x
  3. Step 3: Cross multiply
    852,946,010.20x = 1,279,419,005.70 × 206,713,754.20
  4. Step 4: Simplify right side
    852,946,010.20x = 264,473,505,863,078,208
  5. Step 5: Solve for x
    x = 264,473,505,863,078,208/852,946,010.20
  6. Step 6: Final answer
    x = 310,070,628.97

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1.5x scale

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.