Home / 383,558,523.72-529,454,704.74-251,408,036.52

Finding the Fourth Proportional to 383,558,523.72, 529,454,704.74 and 251,408,036.52

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Solution

The fourth proportional to 383,558,523.72, 529,454,704.74 and 251,408,036.52 is: 347,037,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,558,523.72 : 529,454,704.74 = 251,408,036.52 : x
  2. Step 2: Convert to fraction form
    383,558,523.72/529,454,704.74 = 251,408,036.52/x
  3. Step 3: Cross multiply
    383,558,523.72x = 529,454,704.74 × 251,408,036.52
  4. Step 4: Simplify right side
    383,558,523.72x = 133,109,167,744,959,744
  5. Step 5: Solve for x
    x = 133,109,167,744,959,744/383,558,523.72
  6. Step 6: Final answer
    x = 347,037,438.91

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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.