Home / 320,530,370,719.72-480,811,019,315.46-105,394,150,096.92

Finding the Fourth Proportional to 320,530,370,719.72, 480,811,019,315.46 and 105,394,150,096.92

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Solution

The fourth proportional to 320,530,370,719.72, 480,811,019,315.46 and 105,394,150,096.92 is: 158,096,309,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,530,370,719.72 : 480,811,019,315.46 = 105,394,150,096.92 : x
  2. Step 2: Convert to fraction form
    320,530,370,719.72/480,811,019,315.46 = 105,394,150,096.92/x
  3. Step 3: Cross multiply
    320,530,370,719.72x = 480,811,019,315.46 × 105,394,150,096.92
  4. Step 4: Simplify right side
    320,530,370,719.72x = 50,674,668,737,986,690,023,424
  5. Step 5: Solve for x
    x = 50,674,668,737,986,690,023,424/320,530,370,719.72
  6. Step 6: Final answer
    x = 158,096,309,638.93

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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.