Home / 362,089,743.60-499,860,989.28-242,969,717.28

Finding the Fourth Proportional to 362,089,743.60, 499,860,989.28 and 242,969,717.28

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Solution

The fourth proportional to 362,089,743.60, 499,860,989.28 and 242,969,717.28 is: 335,417,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,089,743.60 : 499,860,989.28 = 242,969,717.28 : x
  2. Step 2: Convert to fraction form
    362,089,743.60/499,860,989.28 = 242,969,717.28/x
  3. Step 3: Cross multiply
    362,089,743.60x = 499,860,989.28 × 242,969,717.28
  4. Step 4: Simplify right side
    362,089,743.60x = 121,451,083,244,662,704
  5. Step 5: Solve for x
    x = 121,451,083,244,662,704/362,089,743.60
  6. Step 6: Final answer
    x = 335,417,076.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.