Home / 275,359,516.20-413,039,274.30-259,203,709.80

Finding the Fourth Proportional to 275,359,516.20, 413,039,274.30 and 259,203,709.80

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Solution

The fourth proportional to 275,359,516.20, 413,039,274.30 and 259,203,709.80 is: 388,805,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,359,516.20 : 413,039,274.30 = 259,203,709.80 : x
  2. Step 2: Convert to fraction form
    275,359,516.20/413,039,274.30 = 259,203,709.80/x
  3. Step 3: Cross multiply
    275,359,516.20x = 413,039,274.30 × 259,203,709.80
  4. Step 4: Simplify right side
    275,359,516.20x = 107,061,312,191,659,808
  5. Step 5: Solve for x
    x = 107,061,312,191,659,808/275,359,516.20
  6. Step 6: Final answer
    x = 388,805,564.70

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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.