Home / 397,197,808.80-595,796,713.20-124,568,138.40

Finding the Fourth Proportional to 397,197,808.80, 595,796,713.20 and 124,568,138.40

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Solution

The fourth proportional to 397,197,808.80, 595,796,713.20 and 124,568,138.40 is: 186,852,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,197,808.80 : 595,796,713.20 = 124,568,138.40 : x
  2. Step 2: Convert to fraction form
    397,197,808.80/595,796,713.20 = 124,568,138.40/x
  3. Step 3: Cross multiply
    397,197,808.80x = 595,796,713.20 × 124,568,138.40
  4. Step 4: Simplify right side
    397,197,808.80x = 74,217,287,428,162,720
  5. Step 5: Solve for x
    x = 74,217,287,428,162,720/397,197,808.80
  6. Step 6: Final answer
    x = 186,852,207.60

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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.