Home / 383,975,786.88-529,691,372.12-233,228,327.69

Finding the Fourth Proportional to 383,975,786.88, 529,691,372.12 and 233,228,327.69

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Solution

The fourth proportional to 383,975,786.88, 529,691,372.12 and 233,228,327.69 is: 321,736,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,975,786.88 : 529,691,372.12 = 233,228,327.69 : x
  2. Step 2: Convert to fraction form
    383,975,786.88/529,691,372.12 = 233,228,327.69/x
  3. Step 3: Cross multiply
    383,975,786.88x = 529,691,372.12 × 233,228,327.69
  4. Step 4: Simplify right side
    383,975,786.88x = 123,539,032,913,276,384
  5. Step 5: Solve for x
    x = 123,539,032,913,276,384/383,975,786.88
  6. Step 6: Final answer
    x = 321,736,518.64

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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.