Finding the Fourth Proportional to 25,378,506,995.31, 35,020,234,619.96 and 13,946,474,736.99
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Solution
The fourth proportional to 25,378,506,995.31, 35,020,234,619.96 and 13,946,474,736.99 is: 19,244,978,339.39
Step by Step Solution
- Step 1: Write the proportion equation
25,378,506,995.31 : 35,020,234,619.96 = 13,946,474,736.99 : x - Step 2: Convert to fraction form
25,378,506,995.31/35,020,234,619.96 = 13,946,474,736.99/x - Step 3: Cross multiply
25,378,506,995.31x = 35,020,234,619.96 × 13,946,474,736.99 - Step 4: Simplify right side
25,378,506,995.31x = 488,408,817,410,678,980,608 - Step 5: Solve for x
x = 488,408,817,410,678,980,608/25,378,506,995.31 - Step 6: Final answer
x = 19,244,978,339.39
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1.5x scale
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.