Home / 382,706,356.18-573,593,161.83-198,372,207.22

Finding the Fourth Proportional to 382,706,356.18, 573,593,161.83 and 198,372,207.22

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Solution

The fourth proportional to 382,706,356.18, 573,593,161.83 and 198,372,207.22 is: 297,316,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,706,356.18 : 573,593,161.83 = 198,372,207.22 : x
  2. Step 2: Convert to fraction form
    382,706,356.18/573,593,161.83 = 198,372,207.22/x
  3. Step 3: Cross multiply
    382,706,356.18x = 573,593,161.83 × 198,372,207.22
  4. Step 4: Simplify right side
    382,706,356.18x = 113,784,941,558,515,760
  5. Step 5: Solve for x
    x = 113,784,941,558,515,760/382,706,356.18
  6. Step 6: Final answer
    x = 297,316,571.10

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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.