Home / 383,558,520.71-529,454,700.61-251,408,033.51

Finding the Fourth Proportional to 383,558,520.71, 529,454,700.61 and 251,408,033.51

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Solution

The fourth proportional to 383,558,520.71, 529,454,700.61 and 251,408,033.51 is: 347,037,434.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,558,520.71 : 529,454,700.61 = 251,408,033.51 : x
  2. Step 2: Convert to fraction form
    383,558,520.71/529,454,700.61 = 251,408,033.51/x
  3. Step 3: Cross multiply
    383,558,520.71x = 529,454,700.61 × 251,408,033.51
  4. Step 4: Simplify right side
    383,558,520.71x = 133,109,165,109,710,112
  5. Step 5: Solve for x
    x = 133,109,165,109,710,112/383,558,520.71
  6. Step 6: Final answer
    x = 347,037,434.76

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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.