Home / 397,507,329.69-596,382,682.46-203,556,069.69

Finding the Fourth Proportional to 397,507,329.69, 596,382,682.46 and 203,556,069.69

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Solution

The fourth proportional to 397,507,329.69, 596,382,682.46 and 203,556,069.69 is: 305,396,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,507,329.69 : 596,382,682.46 = 203,556,069.69 : x
  2. Step 2: Convert to fraction form
    397,507,329.69/596,382,682.46 = 203,556,069.69/x
  3. Step 3: Cross multiply
    397,507,329.69x = 596,382,682.46 × 203,556,069.69
  4. Step 4: Simplify right side
    397,507,329.69x = 121,397,314,872,736,912
  5. Step 5: Solve for x
    x = 121,397,314,872,736,912/397,507,329.69
  6. Step 6: Final answer
    x = 305,396,418.65

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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.