Home / 548,932,835.60-823,399,253.40-472,405,331.60

Finding the Fourth Proportional to 548,932,835.60, 823,399,253.40 and 472,405,331.60

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Solution

The fourth proportional to 548,932,835.60, 823,399,253.40 and 472,405,331.60 is: 708,607,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,932,835.60 : 823,399,253.40 = 472,405,331.60 : x
  2. Step 2: Convert to fraction form
    548,932,835.60/823,399,253.40 = 472,405,331.60/x
  3. Step 3: Cross multiply
    548,932,835.60x = 823,399,253.40 × 472,405,331.60
  4. Step 4: Simplify right side
    548,932,835.60x = 388,978,197,341,619,456
  5. Step 5: Solve for x
    x = 388,978,197,341,619,456/548,932,835.60
  6. Step 6: Final answer
    x = 708,607,997.40

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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.