Home / 378,771,372,416.85-522,700,329,799.74-205,152,192,846.55

Finding the Fourth Proportional to 378,771,372,416.85, 522,700,329,799.74 and 205,152,192,846.55

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Solution

The fourth proportional to 378,771,372,416.85, 522,700,329,799.74 and 205,152,192,846.55 is: 283,107,770,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,771,372,416.85 : 522,700,329,799.74 = 205,152,192,846.55 : x
  2. Step 2: Convert to fraction form
    378,771,372,416.85/522,700,329,799.74 = 205,152,192,846.55/x
  3. Step 3: Cross multiply
    378,771,372,416.85x = 522,700,329,799.74 × 205,152,192,846.55
  4. Step 4: Simplify right side
    378,771,372,416.85x = 107,233,118,860,031,542,951,936
  5. Step 5: Solve for x
    x = 107,233,118,860,031,542,951,936/378,771,372,416.85
  6. Step 6: Final answer
    x = 283,107,770,726.71

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1.5x scale

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.