Home / 507,469,273.58-700,272,355.37-281,419,917.94

Finding the Fourth Proportional to 507,469,273.58, 700,272,355.37 and 281,419,917.94

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Solution

The fourth proportional to 507,469,273.58, 700,272,355.37 and 281,419,917.94 is: 388,339,943.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,469,273.58 : 700,272,355.37 = 281,419,917.94 : x
  2. Step 2: Convert to fraction form
    507,469,273.58/700,272,355.37 = 281,419,917.94/x
  3. Step 3: Cross multiply
    507,469,273.58x = 700,272,355.37 × 281,419,917.94
  4. Step 4: Simplify right side
    507,469,273.58x = 197,070,588,784,922,944
  5. Step 5: Solve for x
    x = 197,070,588,784,922,944/507,469,273.58
  6. Step 6: Final answer
    x = 388,339,943.02

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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.