Home / 413,940,343.82-620,996,210.58-168,297,020.48

Finding the Fourth Proportional to 413,940,343.82, 620,996,210.58 and 168,297,020.48

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Solution

The fourth proportional to 413,940,343.82, 620,996,210.58 and 168,297,020.48 is: 252,480,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,940,343.82 : 620,996,210.58 = 168,297,020.48 : x
  2. Step 2: Convert to fraction form
    413,940,343.82/620,996,210.58 = 168,297,020.48/x
  3. Step 3: Cross multiply
    413,940,343.82x = 620,996,210.58 × 168,297,020.48
  4. Step 4: Simplify right side
    413,940,343.82x = 104,511,811,966,879,680
  5. Step 5: Solve for x
    x = 104,511,811,966,879,680/413,940,343.82
  6. Step 6: Final answer
    x = 252,480,371.94

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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.