Home / 383,950,950.19-529,701,546.54-222,987,531.72

Finding the Fourth Proportional to 383,950,950.19, 529,701,546.54 and 222,987,531.72

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Solution

The fourth proportional to 383,950,950.19, 529,701,546.54 and 222,987,531.72 is: 307,635,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,950,950.19 : 529,701,546.54 = 222,987,531.72 : x
  2. Step 2: Convert to fraction form
    383,950,950.19/529,701,546.54 = 222,987,531.72/x
  3. Step 3: Cross multiply
    383,950,950.19x = 529,701,546.54 × 222,987,531.72
  4. Step 4: Simplify right side
    383,950,950.19x = 118,116,840,408,949,664
  5. Step 5: Solve for x
    x = 118,116,840,408,949,664/383,950,950.19
  6. Step 6: Final answer
    x = 307,635,234.01

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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.