Home / 505,551,850.54-758,297,508.30-210,372,419.57

Finding the Fourth Proportional to 505,551,850.54, 758,297,508.30 and 210,372,419.57

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Solution

The fourth proportional to 505,551,850.54, 758,297,508.30 and 210,372,419.57 is: 315,546,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,551,850.54 : 758,297,508.30 = 210,372,419.57 : x
  2. Step 2: Convert to fraction form
    505,551,850.54/758,297,508.30 = 210,372,419.57/x
  3. Step 3: Cross multiply
    505,551,850.54x = 758,297,508.30 × 210,372,419.57
  4. Step 4: Simplify right side
    505,551,850.54x = 159,524,881,571,181,664
  5. Step 5: Solve for x
    x = 159,524,881,571,181,664/505,551,850.54
  6. Step 6: Final answer
    x = 315,546,034.30

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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.