Home / 382,706,322.89-573,593,111.84-198,372,173.85

Finding the Fourth Proportional to 382,706,322.89, 573,593,111.84 and 198,372,173.85

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Solution

The fourth proportional to 382,706,322.89, 573,593,111.84 and 198,372,173.85 is: 297,316,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,706,322.89 : 573,593,111.84 = 198,372,173.85 : x
  2. Step 2: Convert to fraction form
    382,706,322.89/573,593,111.84 = 198,372,173.85/x
  3. Step 3: Cross multiply
    382,706,322.89x = 573,593,111.84 × 198,372,173.85
  4. Step 4: Simplify right side
    382,706,322.89x = 113,784,912,501,086,976
  5. Step 5: Solve for x
    x = 113,784,912,501,086,976/382,706,322.89
  6. Step 6: Final answer
    x = 297,316,521.04

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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.