Home / 683,444,464.40-1,025,067,163.80-198,719,728.40

Finding the Fourth Proportional to 683,444,464.40, 1,025,067,163.80 and 198,719,728.40

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Solution

The fourth proportional to 683,444,464.40, 1,025,067,163.80 and 198,719,728.40 is: 298,050,652.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,444,464.40 : 1,025,067,163.80 = 198,719,728.40 : x
  2. Step 2: Convert to fraction form
    683,444,464.40/1,025,067,163.80 = 198,719,728.40/x
  3. Step 3: Cross multiply
    683,444,464.40x = 1,025,067,163.80 × 198,719,728.40
  4. Step 4: Simplify right side
    683,444,464.40x = 203,701,068,382,094,304
  5. Step 5: Solve for x
    x = 203,701,068,382,094,304/683,444,464.40
  6. Step 6: Final answer
    x = 298,050,652.24

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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.