Home / 723,252,426.49-1,084,762,367.88-198,498,944.44

Finding the Fourth Proportional to 723,252,426.49, 1,084,762,367.88 and 198,498,944.44

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Solution

The fourth proportional to 723,252,426.49, 1,084,762,367.88 and 198,498,944.44 is: 297,716,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,252,426.49 : 1,084,762,367.88 = 198,498,944.44 : x
  2. Step 2: Convert to fraction form
    723,252,426.49/1,084,762,367.88 = 198,498,944.44/x
  3. Step 3: Cross multiply
    723,252,426.49x = 1,084,762,367.88 × 198,498,944.44
  4. Step 4: Simplify right side
    723,252,426.49x = 215,324,184,992,414,976
  5. Step 5: Solve for x
    x = 215,324,184,992,414,976/723,252,426.49
  6. Step 6: Final answer
    x = 297,716,505.48

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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.