Home / 371,362,287.78-512,491,484.58-204,095,505.60

Finding the Fourth Proportional to 371,362,287.78, 512,491,484.58 and 204,095,505.60

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Solution

The fourth proportional to 371,362,287.78, 512,491,484.58 and 204,095,505.60 is: 281,658,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,362,287.78 : 512,491,484.58 = 204,095,505.60 : x
  2. Step 2: Convert to fraction form
    371,362,287.78/512,491,484.58 = 204,095,505.60/x
  3. Step 3: Cross multiply
    371,362,287.78x = 512,491,484.58 × 204,095,505.60
  4. Step 4: Simplify right side
    371,362,287.78x = 104,597,208,661,049,696
  5. Step 5: Solve for x
    x = 104,597,208,661,049,696/371,362,287.78
  6. Step 6: Final answer
    x = 281,658,133.05

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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.