Home / 304,988,736.78-457,372,355.22-166,916,384.64

Finding the Fourth Proportional to 304,988,736.78, 457,372,355.22 and 166,916,384.64

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Solution

The fourth proportional to 304,988,736.78, 457,372,355.22 and 166,916,384.64 is: 250,313,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,988,736.78 : 457,372,355.22 = 166,916,384.64 : x
  2. Step 2: Convert to fraction form
    304,988,736.78/457,372,355.22 = 166,916,384.64/x
  3. Step 3: Cross multiply
    304,988,736.78x = 457,372,355.22 × 166,916,384.64
  4. Step 4: Simplify right side
    304,988,736.78x = 76,342,939,967,604,224
  5. Step 5: Solve for x
    x = 76,342,939,967,604,224/304,988,736.78
  6. Step 6: Final answer
    x = 250,313,964.95

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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.