Home / 499,573,516.36-689,419,614.45-273,508,728.25

Finding the Fourth Proportional to 499,573,516.36, 689,419,614.45 and 273,508,728.25

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Solution

The fourth proportional to 499,573,516.36, 689,419,614.45 and 273,508,728.25 is: 377,446,513.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,573,516.36 : 689,419,614.45 = 273,508,728.25 : x
  2. Step 2: Convert to fraction form
    499,573,516.36/689,419,614.45 = 273,508,728.25/x
  3. Step 3: Cross multiply
    499,573,516.36x = 689,419,614.45 × 273,508,728.25
  4. Step 4: Simplify right side
    499,573,516.36x = 188,562,281,978,824,832
  5. Step 5: Solve for x
    x = 188,562,281,978,824,832/499,573,516.36
  6. Step 6: Final answer
    x = 377,446,513.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.