Home / 366,492,540-505,770,172.96-223,446,558.72

Finding the Fourth Proportional to 366,492,540, 505,770,172.96 and 223,446,558.72

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Solution

The fourth proportional to 366,492,540, 505,770,172.96 and 223,446,558.72 is: 308,362,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,492,540 : 505,770,172.96 = 223,446,558.72 : x
  2. Step 2: Convert to fraction form
    366,492,540/505,770,172.96 = 223,446,558.72/x
  3. Step 3: Cross multiply
    366,492,540x = 505,770,172.96 × 223,446,558.72
  4. Step 4: Simplify right side
    366,492,540x = 113,012,604,651,131,184
  5. Step 5: Solve for x
    x = 113,012,604,651,131,184/366,492,540
  6. Step 6: Final answer
    x = 308,362,633.11

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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.