Home / 376,164,757.39-519,093,143.69-208,911,792.43

Finding the Fourth Proportional to 376,164,757.39, 519,093,143.69 and 208,911,792.43

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Solution

The fourth proportional to 376,164,757.39, 519,093,143.69 and 208,911,792.43 is: 288,290,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,164,757.39 : 519,093,143.69 = 208,911,792.43 : x
  2. Step 2: Convert to fraction form
    376,164,757.39/519,093,143.69 = 208,911,792.43/x
  3. Step 3: Cross multiply
    376,164,757.39x = 519,093,143.69 × 208,911,792.43
  4. Step 4: Simplify right side
    376,164,757.39x = 108,444,679,086,401,440
  5. Step 5: Solve for x
    x = 108,444,679,086,401,440/376,164,757.39
  6. Step 6: Final answer
    x = 288,290,375.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.