Home / 383,558,519.21-529,454,698.53-251,408,032.01

Finding the Fourth Proportional to 383,558,519.21, 529,454,698.53 and 251,408,032.01

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Solution

The fourth proportional to 383,558,519.21, 529,454,698.53 and 251,408,032.01 is: 347,037,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,558,519.21 : 529,454,698.53 = 251,408,032.01 : x
  2. Step 2: Convert to fraction form
    383,558,519.21/529,454,698.53 = 251,408,032.01/x
  3. Step 3: Cross multiply
    383,558,519.21x = 529,454,698.53 × 251,408,032.01
  4. Step 4: Simplify right side
    383,558,519.21x = 133,109,163,793,227,856
  5. Step 5: Solve for x
    x = 133,109,163,793,227,856/383,558,519.21
  6. Step 6: Final answer
    x = 347,037,432.70

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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.