Home / 383,950,940.34-529,701,532.74-222,987,521.64

Finding the Fourth Proportional to 383,950,940.34, 529,701,532.74 and 222,987,521.64

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Solution

The fourth proportional to 383,950,940.34, 529,701,532.74 and 222,987,521.64 is: 307,635,219.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,950,940.34 : 529,701,532.74 = 222,987,521.64 : x
  2. Step 2: Convert to fraction form
    383,950,940.34/529,701,532.74 = 222,987,521.64/x
  3. Step 3: Cross multiply
    383,950,940.34x = 529,701,532.74 × 222,987,521.64
  4. Step 4: Simplify right side
    383,950,940.34x = 118,116,831,994,601,920
  5. Step 5: Solve for x
    x = 118,116,831,994,601,920/383,950,940.34
  6. Step 6: Final answer
    x = 307,635,219.98

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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.