Home / 425,601,259.32-638,428,821.89-179,912,093.75

Finding the Fourth Proportional to 425,601,259.32, 638,428,821.89 and 179,912,093.75

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Solution

The fourth proportional to 425,601,259.32, 638,428,821.89 and 179,912,093.75 is: 269,879,525.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,601,259.32 : 638,428,821.89 = 179,912,093.75 : x
  2. Step 2: Convert to fraction form
    425,601,259.32/638,428,821.89 = 179,912,093.75/x
  3. Step 3: Cross multiply
    425,601,259.32x = 638,428,821.89 × 179,912,093.75
  4. Step 4: Simplify right side
    425,601,259.32x = 114,861,066,056,575,728
  5. Step 5: Solve for x
    x = 114,861,066,056,575,728/425,601,259.32
  6. Step 6: Final answer
    x = 269,879,525.83

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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.