Home / 406,321,345.92-560,727,504-220,685,986.56

Finding the Fourth Proportional to 406,321,345.92, 560,727,504 and 220,685,986.56

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Solution

The fourth proportional to 406,321,345.92, 560,727,504 and 220,685,986.56 is: 304,548,859.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,321,345.92 : 560,727,504 = 220,685,986.56 : x
  2. Step 2: Convert to fraction form
    406,321,345.92/560,727,504 = 220,685,986.56/x
  3. Step 3: Cross multiply
    406,321,345.92x = 560,727,504 × 220,685,986.56
  4. Step 4: Simplify right side
    406,321,345.92x = 123,744,702,411,566,352
  5. Step 5: Solve for x
    x = 123,744,702,411,566,352/406,321,345.92
  6. Step 6: Final answer
    x = 304,548,859.31

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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.