Home / 1,338,220,328.34-2,007,107,849.31-405,321,375.65

Finding the Fourth Proportional to 1,338,220,328.34, 2,007,107,849.31 and 405,321,375.65

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Solution

The fourth proportional to 1,338,220,328.34, 2,007,107,849.31 and 405,321,375.65 is: 607,914,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,220,328.34 : 2,007,107,849.31 = 405,321,375.65 : x
  2. Step 2: Convert to fraction form
    1,338,220,328.34/2,007,107,849.31 = 405,321,375.65/x
  3. Step 3: Cross multiply
    1,338,220,328.34x = 2,007,107,849.31 × 405,321,375.65
  4. Step 4: Simplify right side
    1,338,220,328.34x = 813,523,714,550,206,464
  5. Step 5: Solve for x
    x = 813,523,714,550,206,464/1,338,220,328.34
  6. Step 6: Final answer
    x = 607,914,629.10

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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.