Finding the Fourth Proportional to 327,662,808.21, 452,176,216.49 and 178,985,991.96
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Solution
The fourth proportional to 327,662,808.21, 452,176,216.49 and 178,985,991.96 is: 247,001,510.77
Step by Step Solution
- Step 1: Write the proportion equation
327,662,808.21 : 452,176,216.49 = 178,985,991.96 : x - Step 2: Convert to fraction form
327,662,808.21/452,176,216.49 = 178,985,991.96/x - Step 3: Cross multiply
327,662,808.21x = 452,176,216.49 × 178,985,991.96 - Step 4: Simplify right side
327,662,808.21x = 80,933,208,649,629,824 - Step 5: Solve for x
x = 80,933,208,649,629,824/327,662,808.21 - Step 6: Final answer
x = 247,001,510.77
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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.