Home / 440,704,996.56-660,291,403.08-309,268,512.72

Finding the Fourth Proportional to 440,704,996.56, 660,291,403.08 and 309,268,512.72

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Solution

The fourth proportional to 440,704,996.56, 660,291,403.08 and 309,268,512.72 is: 463,365,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,704,996.56 : 660,291,403.08 = 309,268,512.72 : x
  2. Step 2: Convert to fraction form
    440,704,996.56/660,291,403.08 = 309,268,512.72/x
  3. Step 3: Cross multiply
    440,704,996.56x = 660,291,403.08 × 309,268,512.72
  4. Step 4: Simplify right side
    440,704,996.56x = 204,207,340,192,353,664
  5. Step 5: Solve for x
    x = 204,207,340,192,353,664/440,704,996.56
  6. Step 6: Final answer
    x = 463,365,157.61

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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.