Finding the Fourth Proportional to 1,793,981,317.80, 2,690,971,976.70 and 1,310,251,909.80
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Solution
The fourth proportional to 1,793,981,317.80, 2,690,971,976.70 and 1,310,251,909.80 is: 1,965,377,864.70
Step by Step Solution
- Step 1: Write the proportion equation
1,793,981,317.80 : 2,690,971,976.70 = 1,310,251,909.80 : x - Step 2: Convert to fraction form
1,793,981,317.80/2,690,971,976.70 = 1,310,251,909.80/x - Step 3: Cross multiply
1,793,981,317.80x = 2,690,971,976.70 × 1,310,251,909.80 - Step 4: Simplify right side
1,793,981,317.80x = 3,525,851,171,689,455,616 - Step 5: Solve for x
x = 3,525,851,171,689,455,616/1,793,981,317.80 - Step 6: Final answer
x = 1,965,377,864.70
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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.