Home / 399,225,815.48-599,053,107.57-166,217,382.56

Finding the Fourth Proportional to 399,225,815.48, 599,053,107.57 and 166,217,382.56

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Solution

The fourth proportional to 399,225,815.48, 599,053,107.57 and 166,217,382.56 is: 249,415,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,225,815.48 : 599,053,107.57 = 166,217,382.56 : x
  2. Step 2: Convert to fraction form
    399,225,815.48/599,053,107.57 = 166,217,382.56/x
  3. Step 3: Cross multiply
    399,225,815.48x = 599,053,107.57 × 166,217,382.56
  4. Step 4: Simplify right side
    399,225,815.48x = 99,573,039,554,719,536
  5. Step 5: Solve for x
    x = 99,573,039,554,719,536/399,225,815.48
  6. Step 6: Final answer
    x = 249,415,332.61

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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.