Home / 1,461,640,741.34-2,192,589,949.92-412,388,136.32

Finding the Fourth Proportional to 1,461,640,741.34, 2,192,589,949.92 and 412,388,136.32

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Solution

The fourth proportional to 1,461,640,741.34, 2,192,589,949.92 and 412,388,136.32 is: 618,618,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,640,741.34 : 2,192,589,949.92 = 412,388,136.32 : x
  2. Step 2: Convert to fraction form
    1,461,640,741.34/2,192,589,949.92 = 412,388,136.32/x
  3. Step 3: Cross multiply
    1,461,640,741.34x = 2,192,589,949.92 × 412,388,136.32
  4. Step 4: Simplify right side
    1,461,640,741.34x = 904,198,083,161,470,976
  5. Step 5: Solve for x
    x = 904,198,083,161,470,976/1,461,640,741.34
  6. Step 6: Final answer
    x = 618,618,554.88

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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.