Home / 513,672,002.70-770,508,004.05-295,993,769.10

Finding the Fourth Proportional to 513,672,002.70, 770,508,004.05 and 295,993,769.10

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Solution

The fourth proportional to 513,672,002.70, 770,508,004.05 and 295,993,769.10 is: 443,990,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,672,002.70 : 770,508,004.05 = 295,993,769.10 : x
  2. Step 2: Convert to fraction form
    513,672,002.70/770,508,004.05 = 295,993,769.10/x
  3. Step 3: Cross multiply
    513,672,002.70x = 770,508,004.05 × 295,993,769.10
  4. Step 4: Simplify right side
    513,672,002.70x = 228,065,568,240,477,568
  5. Step 5: Solve for x
    x = 228,065,568,240,477,568/513,672,002.70
  6. Step 6: Final answer
    x = 443,990,653.65

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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.