Home / 320,530,452,348.88-480,811,140,590.18-105,394,231,587.04

Finding the Fourth Proportional to 320,530,452,348.88, 480,811,140,590.18 and 105,394,231,587.04

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Solution

The fourth proportional to 320,530,452,348.88, 480,811,140,590.18 and 105,394,231,587.04 is: 158,096,431,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,530,452,348.88 : 480,811,140,590.18 = 105,394,231,587.04 : x
  2. Step 2: Convert to fraction form
    320,530,452,348.88/480,811,140,590.18 = 105,394,231,587.04/x
  3. Step 3: Cross multiply
    320,530,452,348.88x = 480,811,140,590.18 × 105,394,231,587.04
  4. Step 4: Simplify right side
    320,530,452,348.88x = 50,674,720,700,990,272,569,344
  5. Step 5: Solve for x
    x = 50,674,720,700,990,272,569,344/320,530,452,348.88
  6. Step 6: Final answer
    x = 158,096,431,492.36

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1.5x scale

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.