Home / 382,706,365.88-573,593,176.32-198,372,216.92

Finding the Fourth Proportional to 382,706,365.88, 573,593,176.32 and 198,372,216.92

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Solution

The fourth proportional to 382,706,365.88, 573,593,176.32 and 198,372,216.92 is: 297,316,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,706,365.88 : 573,593,176.32 = 198,372,216.92 : x
  2. Step 2: Convert to fraction form
    382,706,365.88/573,593,176.32 = 198,372,216.92/x
  3. Step 3: Cross multiply
    382,706,365.88x = 573,593,176.32 × 198,372,216.92
  4. Step 4: Simplify right side
    382,706,365.88x = 113,784,949,996,782,848
  5. Step 5: Solve for x
    x = 113,784,949,996,782,848/382,706,365.88
  6. Step 6: Final answer
    x = 297,316,585.62

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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.