Finding the Fourth Proportional to 1,696,747,912.62, 2,341,475,428.80 and 982,313,591.07
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Solution
The fourth proportional to 1,696,747,912.62, 2,341,475,428.80 and 982,313,591.07 is: 1,355,571,514.05
Step by Step Solution
- Step 1: Write the proportion equation
1,696,747,912.62 : 2,341,475,428.80 = 982,313,591.07 : x - Step 2: Convert to fraction form
1,696,747,912.62/2,341,475,428.80 = 982,313,591.07/x - Step 3: Cross multiply
1,696,747,912.62x = 2,341,475,428.80 × 982,313,591.07 - Step 4: Simplify right side
1,696,747,912.62x = 2,300,063,136,866,696,448 - Step 5: Solve for x
x = 2,300,063,136,866,696,448/1,696,747,912.62 - Step 6: Final answer
x = 1,355,571,514.05
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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.