Home / 505,512,190.20-758,268,285.30-437,487,742.20

Finding the Fourth Proportional to 505,512,190.20, 758,268,285.30 and 437,487,742.20

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Solution

The fourth proportional to 505,512,190.20, 758,268,285.30 and 437,487,742.20 is: 656,231,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,512,190.20 : 758,268,285.30 = 437,487,742.20 : x
  2. Step 2: Convert to fraction form
    505,512,190.20/758,268,285.30 = 437,487,742.20/x
  3. Step 3: Cross multiply
    505,512,190.20x = 758,268,285.30 × 437,487,742.20
  4. Step 4: Simplify right side
    505,512,190.20x = 331,733,080,117,762,432
  5. Step 5: Solve for x
    x = 331,733,080,117,762,432/505,512,190.20
  6. Step 6: Final answer
    x = 656,231,613.30

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Double scale
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Similar ratio
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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.