Home / 852,946,011.20-1,279,419,007.20-206,713,755.20

Finding the Fourth Proportional to 852,946,011.20, 1,279,419,007.20 and 206,713,755.20

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Solution

The fourth proportional to 852,946,011.20, 1,279,419,007.20 and 206,713,755.20 is: 310,070,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,946,011.20 : 1,279,419,007.20 = 206,713,755.20 : x
  2. Step 2: Convert to fraction form
    852,946,011.20/1,279,419,007.20 = 206,713,755.20/x
  3. Step 3: Cross multiply
    852,946,011.20x = 1,279,419,007.20 × 206,713,755.20
  4. Step 4: Simplify right side
    852,946,011.20x = 264,473,507,452,567,840
  5. Step 5: Solve for x
    x = 264,473,507,452,567,840/852,946,011.20
  6. Step 6: Final answer
    x = 310,070,630.47

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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.