Home / 382,572,930.20-573,009,089.70-331,554,594.20

Finding the Fourth Proportional to 382,572,930.20, 573,009,089.70 and 331,554,594.20

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Solution

The fourth proportional to 382,572,930.20, 573,009,089.70 and 331,554,594.20 is: 496,594,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,572,930.20 : 573,009,089.70 = 331,554,594.20 : x
  2. Step 2: Convert to fraction form
    382,572,930.20/573,009,089.70 = 331,554,594.20/x
  3. Step 3: Cross multiply
    382,572,930.20x = 573,009,089.70 × 331,554,594.20
  4. Step 4: Simplify right side
    382,572,930.20x = 189,983,796,208,394,912
  5. Step 5: Solve for x
    x = 189,983,796,208,394,912/382,572,930.20
  6. Step 6: Final answer
    x = 496,594,978.92

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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.