Home / 437,682,334,997.12-655,668,490,353.60-301,520,407,680.64

Finding the Fourth Proportional to 437,682,334,997.12, 655,668,490,353.60 and 301,520,407,680.64

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Solution

The fourth proportional to 437,682,334,997.12, 655,668,490,353.60 and 301,520,407,680.64 is: 451,691,591,610.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,682,334,997.12 : 655,668,490,353.60 = 301,520,407,680.64 : x
  2. Step 2: Convert to fraction form
    437,682,334,997.12/655,668,490,353.60 = 301,520,407,680.64/x
  3. Step 3: Cross multiply
    437,682,334,997.12x = 655,668,490,353.60 × 301,520,407,680.64
  4. Step 4: Simplify right side
    437,682,334,997.12x = 197,697,430,514,767,235,121,152
  5. Step 5: Solve for x
    x = 197,697,430,514,767,235,121,152/437,682,334,997.12
  6. Step 6: Final answer
    x = 451,691,591,610.77

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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.