Finding the Fourth Proportional to 864,016,383.24, 1,192,345,770.42 and 467,539,376.94
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Solution
The fourth proportional to 864,016,383.24, 1,192,345,770.42 and 467,539,376.94 is: 645,206,050.96
Step by Step Solution
- Step 1: Write the proportion equation
864,016,383.24 : 1,192,345,770.42 = 467,539,376.94 : x - Step 2: Convert to fraction form
864,016,383.24/1,192,345,770.42 = 467,539,376.94/x - Step 3: Cross multiply
864,016,383.24x = 1,192,345,770.42 × 467,539,376.94 - Step 4: Simplify right side
864,016,383.24x = 557,468,598,599,211,136 - Step 5: Solve for x
x = 557,468,598,599,211,136/864,016,383.24 - Step 6: Final answer
x = 645,206,050.96
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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.