Home / 440,322,430.80-660,481,021.80-112,797,310.80

Finding the Fourth Proportional to 440,322,430.80, 660,481,021.80 and 112,797,310.80

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Solution

The fourth proportional to 440,322,430.80, 660,481,021.80 and 112,797,310.80 is: 169,195,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,322,430.80 : 660,481,021.80 = 112,797,310.80 : x
  2. Step 2: Convert to fraction form
    440,322,430.80/660,481,021.80 = 112,797,310.80/x
  3. Step 3: Cross multiply
    440,322,430.80x = 660,481,021.80 × 112,797,310.80
  4. Step 4: Simplify right side
    440,322,430.80x = 74,500,483,093,476,176
  5. Step 5: Solve for x
    x = 74,500,483,093,476,176/440,322,430.80
  6. Step 6: Final answer
    x = 169,195,293.91

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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.