Home / 320,530,452,353.14-480,811,140,596.55-105,394,231,591.28

Finding the Fourth Proportional to 320,530,452,353.14, 480,811,140,596.55 and 105,394,231,591.28

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Solution

The fourth proportional to 320,530,452,353.14, 480,811,140,596.55 and 105,394,231,591.28 is: 158,096,431,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,530,452,353.14 : 480,811,140,596.55 = 105,394,231,591.28 : x
  2. Step 2: Convert to fraction form
    320,530,452,353.14/480,811,140,596.55 = 105,394,231,591.28/x
  3. Step 3: Cross multiply
    320,530,452,353.14x = 480,811,140,596.55 × 105,394,231,591.28
  4. Step 4: Simplify right side
    320,530,452,353.14x = 50,674,720,703,700,279,492,608
  5. Step 5: Solve for x
    x = 50,674,720,703,700,279,492,608/320,530,452,353.14
  6. Step 6: Final answer
    x = 158,096,431,498.72

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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.