Finding the Fourth Proportional to 1,318,311,112.05, 1,976,354,529.16 and 1,085,153,330.65
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Solution
The fourth proportional to 1,318,311,112.05, 1,976,354,529.16 and 1,085,153,330.65 is: 1,626,814,551.03
Step by Step Solution
- Step 1: Write the proportion equation
1,318,311,112.05 : 1,976,354,529.16 = 1,085,153,330.65 : x - Step 2: Convert to fraction form
1,318,311,112.05/1,976,354,529.16 = 1,085,153,330.65/x - Step 3: Cross multiply
1,318,311,112.05x = 1,976,354,529.16 × 1,085,153,330.65 - Step 4: Simplify right side
1,318,311,112.05x = 2,144,647,699,860,473,856 - Step 5: Solve for x
x = 2,144,647,699,860,473,856/1,318,311,112.05 - Step 6: Final answer
x = 1,626,814,551.03
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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.