Home / 852,768,002.20-1,279,152,003.30-839,163,112.60

Finding the Fourth Proportional to 852,768,002.20, 1,279,152,003.30 and 839,163,112.60

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Solution

The fourth proportional to 852,768,002.20, 1,279,152,003.30 and 839,163,112.60 is: 1,258,744,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,768,002.20 : 1,279,152,003.30 = 839,163,112.60 : x
  2. Step 2: Convert to fraction form
    852,768,002.20/1,279,152,003.30 = 839,163,112.60/x
  3. Step 3: Cross multiply
    852,768,002.20x = 1,279,152,003.30 × 839,163,112.60
  4. Step 4: Simplify right side
    852,768,002.20x = 1,073,417,176,577,753,472
  5. Step 5: Solve for x
    x = 1,073,417,176,577,753,472/852,768,002.20
  6. Step 6: Final answer
    x = 1,258,744,668.90

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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.