Home / 495,448,131.30-683,738,121.78-272,448,095.64

Finding the Fourth Proportional to 495,448,131.30, 683,738,121.78 and 272,448,095.64

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Solution

The fourth proportional to 495,448,131.30, 683,738,121.78 and 272,448,095.64 is: 375,989,205.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,448,131.30 : 683,738,121.78 = 272,448,095.64 : x
  2. Step 2: Convert to fraction form
    495,448,131.30/683,738,121.78 = 272,448,095.64/x
  3. Step 3: Cross multiply
    495,448,131.30x = 683,738,121.78 × 272,448,095.64
  4. Step 4: Simplify right side
    495,448,131.30x = 186,283,149,195,431,392
  5. Step 5: Solve for x
    x = 186,283,149,195,431,392/495,448,131.30
  6. Step 6: Final answer
    x = 375,989,205.38

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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.