Home / 382,572,915.20-573,009,067.20-331,554,579.20

Finding the Fourth Proportional to 382,572,915.20, 573,009,067.20 and 331,554,579.20

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Solution

The fourth proportional to 382,572,915.20, 573,009,067.20 and 331,554,579.20 is: 496,594,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,572,915.20 : 573,009,067.20 = 331,554,579.20 : x
  2. Step 2: Convert to fraction form
    382,572,915.20/573,009,067.20 = 331,554,579.20/x
  3. Step 3: Cross multiply
    382,572,915.20x = 573,009,067.20 × 331,554,579.20
  4. Step 4: Simplify right side
    382,572,915.20x = 189,983,780,153,280,544
  5. Step 5: Solve for x
    x = 189,983,780,153,280,544/382,572,915.20
  6. Step 6: Final answer
    x = 496,594,956.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.