Finding the Fourth Proportional to 360,187,736.52, 497,004,108.66 and 203,497,672.08
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Solution
The fourth proportional to 360,187,736.52, 497,004,108.66 and 203,497,672.08 is: 280,795,731.98
Step by Step Solution
- Step 1: Write the proportion equation
360,187,736.52 : 497,004,108.66 = 203,497,672.08 : x - Step 2: Convert to fraction form
360,187,736.52/497,004,108.66 = 203,497,672.08/x - Step 3: Cross multiply
360,187,736.52x = 497,004,108.66 × 203,497,672.08 - Step 4: Simplify right side
360,187,736.52x = 101,139,179,126,505,376 - Step 5: Solve for x
x = 101,139,179,126,505,376/360,187,736.52 - Step 6: Final answer
x = 280,795,731.98
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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.