Home / 439,582,367.62-659,233,559.09-144,408,971.51

Finding the Fourth Proportional to 439,582,367.62, 659,233,559.09 and 144,408,971.51

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Solution

The fourth proportional to 439,582,367.62, 659,233,559.09 and 144,408,971.51 is: 216,567,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,582,367.62 : 659,233,559.09 = 144,408,971.51 : x
  2. Step 2: Convert to fraction form
    439,582,367.62/659,233,559.09 = 144,408,971.51/x
  3. Step 3: Cross multiply
    439,582,367.62x = 659,233,559.09 × 144,408,971.51
  4. Step 4: Simplify right side
    439,582,367.62x = 95,199,240,250,128,560
  5. Step 5: Solve for x
    x = 95,199,240,250,128,560/439,582,367.62
  6. Step 6: Final answer
    x = 216,567,467.81

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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.