Finding the Fourth Proportional to 1,793,981,618.80, 2,690,972,428.20 and 1,310,252,210.80
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Solution
The fourth proportional to 1,793,981,618.80, 2,690,972,428.20 and 1,310,252,210.80 is: 1,965,378,316.20
Step by Step Solution
- Step 1: Write the proportion equation
1,793,981,618.80 : 2,690,972,428.20 = 1,310,252,210.80 : x - Step 2: Convert to fraction form
1,793,981,618.80/2,690,972,428.20 = 1,310,252,210.80/x - Step 3: Cross multiply
1,793,981,618.80x = 2,690,972,428.20 × 1,310,252,210.80 - Step 4: Simplify right side
1,793,981,618.80x = 3,525,852,573,250,893,824 - Step 5: Solve for x
x = 3,525,852,573,250,893,824/1,793,981,618.80 - Step 6: Final answer
x = 1,965,378,316.20
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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.