Home / 379,134,837.60-531,505,408.80-379,134,837.60

Finding the Fourth Proportional to 379,134,837.60, 531,505,408.80 and 379,134,837.60

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Solution

The fourth proportional to 379,134,837.60, 531,505,408.80 and 379,134,837.60 is: 531,505,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,134,837.60 : 531,505,408.80 = 379,134,837.60 : x
  2. Step 2: Convert to fraction form
    379,134,837.60/531,505,408.80 = 379,134,837.60/x
  3. Step 3: Cross multiply
    379,134,837.60x = 531,505,408.80 × 379,134,837.60
  4. Step 4: Simplify right side
    379,134,837.60x = 201,512,216,848,909,632
  5. Step 5: Solve for x
    x = 201,512,216,848,909,632/379,134,837.60
  6. Step 6: Final answer
    x = 531,505,408.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.