Finding the Fourth Proportional to 496,851,293.76, 685,657,596.24 and 288,131,362.08
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Solution
The fourth proportional to 496,851,293.76, 685,657,596.24 and 288,131,362.08 is: 397,622,909.72
Step by Step Solution
- Step 1: Write the proportion equation
496,851,293.76 : 685,657,596.24 = 288,131,362.08 : x - Step 2: Convert to fraction form
496,851,293.76/685,657,596.24 = 288,131,362.08/x - Step 3: Cross multiply
496,851,293.76x = 685,657,596.24 × 288,131,362.08 - Step 4: Simplify right side
496,851,293.76x = 197,559,457,125,129,888 - Step 5: Solve for x
x = 197,559,457,125,129,888/496,851,293.76 - Step 6: Final answer
x = 397,622,909.72
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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.