Home / 839,809,080.20-1,259,713,620.30-834,707,246.60

Finding the Fourth Proportional to 839,809,080.20, 1,259,713,620.30 and 834,707,246.60

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Solution

The fourth proportional to 839,809,080.20, 1,259,713,620.30 and 834,707,246.60 is: 1,252,060,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,080.20 : 1,259,713,620.30 = 834,707,246.60 : x
  2. Step 2: Convert to fraction form
    839,809,080.20/1,259,713,620.30 = 834,707,246.60/x
  3. Step 3: Cross multiply
    839,809,080.20x = 1,259,713,620.30 × 834,707,246.60
  4. Step 4: Simplify right side
    839,809,080.20x = 1,051,492,087,505,130,880
  5. Step 5: Solve for x
    x = 1,051,492,087,505,130,880/839,809,080.20
  6. Step 6: Final answer
    x = 1,252,060,869.90

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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.