Home / 378,771,372,415.85-522,700,329,798.36-205,152,192,845.55

Finding the Fourth Proportional to 378,771,372,415.85, 522,700,329,798.36 and 205,152,192,845.55

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Solution

The fourth proportional to 378,771,372,415.85, 522,700,329,798.36 and 205,152,192,845.55 is: 283,107,770,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,771,372,415.85 : 522,700,329,798.36 = 205,152,192,845.55 : x
  2. Step 2: Convert to fraction form
    378,771,372,415.85/522,700,329,798.36 = 205,152,192,845.55/x
  3. Step 3: Cross multiply
    378,771,372,415.85x = 522,700,329,798.36 × 205,152,192,845.55
  4. Step 4: Simplify right side
    378,771,372,415.85x = 107,233,118,859,225,733,267,456
  5. Step 5: Solve for x
    x = 107,233,118,859,225,733,267,456/378,771,372,415.85
  6. Step 6: Final answer
    x = 283,107,770,725.33

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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.