Home / 839,810,018.80-1,259,715,028.20-294,354,722.80

Finding the Fourth Proportional to 839,810,018.80, 1,259,715,028.20 and 294,354,722.80

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Solution

The fourth proportional to 839,810,018.80, 1,259,715,028.20 and 294,354,722.80 is: 441,532,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,810,018.80 : 1,259,715,028.20 = 294,354,722.80 : x
  2. Step 2: Convert to fraction form
    839,810,018.80/1,259,715,028.20 = 294,354,722.80/x
  3. Step 3: Cross multiply
    839,810,018.80x = 1,259,715,028.20 × 294,354,722.80
  4. Step 4: Simplify right side
    839,810,018.80x = 370,803,067,932,805,184
  5. Step 5: Solve for x
    x = 370,803,067,932,805,184/839,810,018.80
  6. Step 6: Final answer
    x = 441,532,084.20

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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.