Home / 382,706,328.88-573,593,120.85-198,372,179.86

Finding the Fourth Proportional to 382,706,328.88, 573,593,120.85 and 198,372,179.86

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Solution

The fourth proportional to 382,706,328.88, 573,593,120.85 and 198,372,179.86 is: 297,316,530.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,706,328.88 : 573,593,120.85 = 198,372,179.86 : x
  2. Step 2: Convert to fraction form
    382,706,328.88/573,593,120.85 = 198,372,179.86/x
  3. Step 3: Cross multiply
    382,706,328.88x = 573,593,120.85 × 198,372,179.86
  4. Step 4: Simplify right side
    382,706,328.88x = 113,784,917,735,714,928
  5. Step 5: Solve for x
    x = 113,784,917,735,714,928/382,706,328.88
  6. Step 6: Final answer
    x = 297,316,530.06

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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.