Home / 303,908,408.38-419,347,224.57-171,701,166.46

Finding the Fourth Proportional to 303,908,408.38, 419,347,224.57 and 171,701,166.46

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Solution

The fourth proportional to 303,908,408.38, 419,347,224.57 and 171,701,166.46 is: 236,921,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,908,408.38 : 419,347,224.57 = 171,701,166.46 : x
  2. Step 2: Convert to fraction form
    303,908,408.38/419,347,224.57 = 171,701,166.46/x
  3. Step 3: Cross multiply
    303,908,408.38x = 419,347,224.57 × 171,701,166.46
  4. Step 4: Simplify right side
    303,908,408.38x = 72,002,407,610,432,576
  5. Step 5: Solve for x
    x = 72,002,407,610,432,576/303,908,408.38
  6. Step 6: Final answer
    x = 236,921,406.66

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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.