Home / 852,768,120.20-1,279,152,180.30-839,163,230.60

Finding the Fourth Proportional to 852,768,120.20, 1,279,152,180.30 and 839,163,230.60

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Solution

The fourth proportional to 852,768,120.20, 1,279,152,180.30 and 839,163,230.60 is: 1,258,744,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,768,120.20 : 1,279,152,180.30 = 839,163,230.60 : x
  2. Step 2: Convert to fraction form
    852,768,120.20/1,279,152,180.30 = 839,163,230.60/x
  3. Step 3: Cross multiply
    852,768,120.20x = 1,279,152,180.30 × 839,163,230.60
  4. Step 4: Simplify right side
    852,768,120.20x = 1,073,417,476,049,581,696
  5. Step 5: Solve for x
    x = 1,073,417,476,049,581,696/852,768,120.20
  6. Step 6: Final answer
    x = 1,258,744,845.90

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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.