Home / 449,015,194.80-673,018,907.40-255,019,546.80

Finding the Fourth Proportional to 449,015,194.80, 673,018,907.40 and 255,019,546.80

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Solution

The fourth proportional to 449,015,194.80, 673,018,907.40 and 255,019,546.80 is: 382,243,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,015,194.80 : 673,018,907.40 = 255,019,546.80 : x
  2. Step 2: Convert to fraction form
    449,015,194.80/673,018,907.40 = 255,019,546.80/x
  3. Step 3: Cross multiply
    449,015,194.80x = 673,018,907.40 × 255,019,546.80
  4. Step 4: Simplify right side
    449,015,194.80x = 171,632,976,752,979,168
  5. Step 5: Solve for x
    x = 171,632,976,752,979,168/449,015,194.80
  6. Step 6: Final answer
    x = 382,243,137.29

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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.