Home / 328,812,996.29-453,761,897.15-196,653,971.62

Finding the Fourth Proportional to 328,812,996.29, 453,761,897.15 and 196,653,971.62

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Solution

The fourth proportional to 328,812,996.29, 453,761,897.15 and 196,653,971.62 is: 271,382,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,812,996.29 : 453,761,897.15 = 196,653,971.62 : x
  2. Step 2: Convert to fraction form
    328,812,996.29/453,761,897.15 = 196,653,971.62/x
  3. Step 3: Cross multiply
    328,812,996.29x = 453,761,897.15 × 196,653,971.62
  4. Step 4: Simplify right side
    328,812,996.29x = 89,234,079,242,507,568
  5. Step 5: Solve for x
    x = 89,234,079,242,507,568/328,812,996.29
  6. Step 6: Final answer
    x = 271,382,458.27

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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.