Home / 320,530,452,348.10-480,811,140,589.04-105,394,231,586.26

Finding the Fourth Proportional to 320,530,452,348.10, 480,811,140,589.04 and 105,394,231,586.26

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Solution

The fourth proportional to 320,530,452,348.10, 480,811,140,589.04 and 105,394,231,586.26 is: 158,096,431,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,530,452,348.10 : 480,811,140,589.04 = 105,394,231,586.26 : x
  2. Step 2: Convert to fraction form
    320,530,452,348.10/480,811,140,589.04 = 105,394,231,586.26/x
  3. Step 3: Cross multiply
    320,530,452,348.10x = 480,811,140,589.04 × 105,394,231,586.26
  4. Step 4: Simplify right side
    320,530,452,348.10x = 50,674,720,700,495,093,039,104
  5. Step 5: Solve for x
    x = 50,674,720,700,495,093,039,104/320,530,452,348.10
  6. Step 6: Final answer
    x = 158,096,431,491.20

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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.