Home / 413,940,340.05-620,996,204.94-168,297,016.73

Finding the Fourth Proportional to 413,940,340.05, 620,996,204.94 and 168,297,016.73

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Solution

The fourth proportional to 413,940,340.05, 620,996,204.94 and 168,297,016.73 is: 252,480,366.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,940,340.05 : 620,996,204.94 = 168,297,016.73 : x
  2. Step 2: Convert to fraction form
    413,940,340.05/620,996,204.94 = 168,297,016.73/x
  3. Step 3: Cross multiply
    413,940,340.05x = 620,996,204.94 × 168,297,016.73
  4. Step 4: Simplify right side
    413,940,340.05x = 104,511,808,688,317,584
  5. Step 5: Solve for x
    x = 104,511,808,688,317,584/413,940,340.05
  6. Step 6: Final answer
    x = 252,480,366.32

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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.