Home / 551,297,749.54-760,807,122.78-303,795,047.02

Finding the Fourth Proportional to 551,297,749.54, 760,807,122.78 and 303,795,047.02

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Solution

The fourth proportional to 551,297,749.54, 760,807,122.78 and 303,795,047.02 is: 419,246,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,297,749.54 : 760,807,122.78 = 303,795,047.02 : x
  2. Step 2: Convert to fraction form
    551,297,749.54/760,807,122.78 = 303,795,047.02/x
  3. Step 3: Cross multiply
    551,297,749.54x = 760,807,122.78 × 303,795,047.02
  4. Step 4: Simplify right side
    551,297,749.54x = 231,129,435,638,100,992
  5. Step 5: Solve for x
    x = 231,129,435,638,100,992/551,297,749.54
  6. Step 6: Final answer
    x = 419,246,107.63

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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.