Home / 304,879,557.40-457,319,336.10-219,423,844.60

Finding the Fourth Proportional to 304,879,557.40, 457,319,336.10 and 219,423,844.60

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Solution

The fourth proportional to 304,879,557.40, 457,319,336.10 and 219,423,844.60 is: 329,135,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,879,557.40 : 457,319,336.10 = 219,423,844.60 : x
  2. Step 2: Convert to fraction form
    304,879,557.40/457,319,336.10 = 219,423,844.60/x
  3. Step 3: Cross multiply
    304,879,557.40x = 457,319,336.10 × 219,423,844.60
  4. Step 4: Simplify right side
    304,879,557.40x = 100,346,766,936,981,568
  5. Step 5: Solve for x
    x = 100,346,766,936,981,568/304,879,557.40
  6. Step 6: Final answer
    x = 329,135,766.90

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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.