Finding the Fourth Proportional to 1,482,207,621,310.80, 2,213,330,222,805.60 and 1,210,470,933,172
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Solution
The fourth proportional to 1,482,207,621,310.80, 2,213,330,222,805.60 and 1,210,470,933,172 is: 1,807,555,069,679.07
Step by Step Solution
- Step 1: Write the proportion equation
1,482,207,621,310.80 : 2,213,330,222,805.60 = 1,210,470,933,172 : x - Step 2: Convert to fraction form
1,482,207,621,310.80/2,213,330,222,805.60 = 1,210,470,933,172/x - Step 3: Cross multiply
1,482,207,621,310.80x = 2,213,330,222,805.60 × 1,210,470,933,172 - Step 4: Simplify right side
1,482,207,621,310.80x = 2,679,171,900,217,285,247,238,144 - Step 5: Solve for x
x = 2,679,171,900,217,285,247,238,144/1,482,207,621,310.80 - Step 6: Final answer
x = 1,807,555,069,679.07
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.