Home / 552,422,449,231.72-762,334,866,811.59-308,555,477,003.80

Finding the Fourth Proportional to 552,422,449,231.72, 762,334,866,811.59 and 308,555,477,003.80

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Solution

The fourth proportional to 552,422,449,231.72, 762,334,866,811.59 and 308,555,477,003.80 is: 425,802,026,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,422,449,231.72 : 762,334,866,811.59 = 308,555,477,003.80 : x
  2. Step 2: Convert to fraction form
    552,422,449,231.72/762,334,866,811.59 = 308,555,477,003.80/x
  3. Step 3: Cross multiply
    552,422,449,231.72x = 762,334,866,811.59 × 308,555,477,003.80
  4. Step 4: Simplify right side
    552,422,449,231.72x = 235,222,598,465,678,485,749,760
  5. Step 5: Solve for x
    x = 235,222,598,465,678,485,749,760/552,422,449,231.72
  6. Step 6: Final answer
    x = 425,802,026,678.70

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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.