Home / 839,810,016.80-1,259,715,025.20-294,354,720.80

Finding the Fourth Proportional to 839,810,016.80, 1,259,715,025.20 and 294,354,720.80

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Solution

The fourth proportional to 839,810,016.80, 1,259,715,025.20 and 294,354,720.80 is: 441,532,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,810,016.80 : 1,259,715,025.20 = 294,354,720.80 : x
  2. Step 2: Convert to fraction form
    839,810,016.80/1,259,715,025.20 = 294,354,720.80/x
  3. Step 3: Cross multiply
    839,810,016.80x = 1,259,715,025.20 × 294,354,720.80
  4. Step 4: Simplify right side
    839,810,016.80x = 370,803,064,530,310,976
  5. Step 5: Solve for x
    x = 370,803,064,530,310,976/839,810,016.80
  6. Step 6: Final answer
    x = 441,532,081.20

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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.