Finding the Fourth Proportional to 1,203,865,531.92, 1,805,207,505.62 and 494,685,623.34
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Solution
The fourth proportional to 1,203,865,531.92, 1,805,207,505.62 and 494,685,623.34 is: 741,785,669.99
Step by Step Solution
- Step 1: Write the proportion equation
1,203,865,531.92 : 1,805,207,505.62 = 494,685,623.34 : x - Step 2: Convert to fraction form
1,203,865,531.92/1,805,207,505.62 = 494,685,623.34/x - Step 3: Cross multiply
1,203,865,531.92x = 1,805,207,505.62 × 494,685,623.34 - Step 4: Simplify right side
1,203,865,531.92x = 893,010,200,173,202,816 - Step 5: Solve for x
x = 893,010,200,173,202,816/1,203,865,531.92 - Step 6: Final answer
x = 741,785,669.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.