Finding the Fourth Proportional to 329,795,164.37, 455,115,672.84 and 179,086,473.91
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Solution
The fourth proportional to 329,795,164.37, 455,115,672.84 and 179,086,473.91 is: 247,138,435.84
Step by Step Solution
- Step 1: Write the proportion equation
329,795,164.37 : 455,115,672.84 = 179,086,473.91 : x - Step 2: Convert to fraction form
329,795,164.37/455,115,672.84 = 179,086,473.91/x - Step 3: Cross multiply
329,795,164.37x = 455,115,672.84 × 179,086,473.91 - Step 4: Simplify right side
329,795,164.37x = 81,505,061,069,197,312 - Step 5: Solve for x
x = 81,505,061,069,197,312/329,795,164.37 - Step 6: Final answer
x = 247,138,435.84
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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.