Home / 382,705,512.90-573,591,897.06-198,371,363.86

Finding the Fourth Proportional to 382,705,512.90, 573,591,897.06 and 198,371,363.86

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Solution

The fourth proportional to 382,705,512.90, 573,591,897.06 and 198,371,363.86 is: 297,315,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,705,512.90 : 573,591,897.06 = 198,371,363.86 : x
  2. Step 2: Convert to fraction form
    382,705,512.90/573,591,897.06 = 198,371,363.86/x
  3. Step 3: Cross multiply
    382,705,512.90x = 573,591,897.06 × 198,371,363.86
  4. Step 4: Simplify right side
    382,705,512.90x = 113,784,206,918,836,928
  5. Step 5: Solve for x
    x = 113,784,206,918,836,928/382,705,512.90
  6. Step 6: Final answer
    x = 297,315,306.64

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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.