Home / 379,992,225.60-524,373,949.89-221,226,917.58

Finding the Fourth Proportional to 379,992,225.60, 524,373,949.89 and 221,226,917.58

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Solution

The fourth proportional to 379,992,225.60, 524,373,949.89 and 221,226,917.58 is: 305,284,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,992,225.60 : 524,373,949.89 = 221,226,917.58 : x
  2. Step 2: Convert to fraction form
    379,992,225.60/524,373,949.89 = 221,226,917.58/x
  3. Step 3: Cross multiply
    379,992,225.60x = 524,373,949.89 × 221,226,917.58
  4. Step 4: Simplify right side
    379,992,225.60x = 116,005,632,593,414,080
  5. Step 5: Solve for x
    x = 116,005,632,593,414,080/379,992,225.60
  6. Step 6: Final answer
    x = 305,284,226.30

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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.