Finding the Fourth Proportional to 397,588,516.48, 548,665,602.24 and 232,604,035.84
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Solution
The fourth proportional to 397,588,516.48, 548,665,602.24 and 232,604,035.84 is: 320,989,737.17
Step by Step Solution
- Step 1: Write the proportion equation
397,588,516.48 : 548,665,602.24 = 232,604,035.84 : x - Step 2: Convert to fraction form
397,588,516.48/548,665,602.24 = 232,604,035.84/x - Step 3: Cross multiply
397,588,516.48x = 548,665,602.24 × 232,604,035.84 - Step 4: Simplify right side
397,588,516.48x = 127,621,833,407,608,144 - Step 5: Solve for x
x = 127,621,833,407,608,144/397,588,516.48 - Step 6: Final answer
x = 320,989,737.17
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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.