Finding the Fourth Proportional to 14,276,184,396.88, 19,701,606,942.11 and 7,846,232,289.40
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Solution
The fourth proportional to 14,276,184,396.88, 19,701,606,942.11 and 7,846,232,289.40 is: 10,828,060,232.68
Step by Step Solution
- Step 1: Write the proportion equation
14,276,184,396.88 : 19,701,606,942.11 = 7,846,232,289.40 : x - Step 2: Convert to fraction form
14,276,184,396.88/19,701,606,942.11 = 7,846,232,289.40/x - Step 3: Cross multiply
14,276,184,396.88x = 19,701,606,942.11 × 7,846,232,289.40 - Step 4: Simplify right side
14,276,184,396.88x = 154,583,384,542,250,663,936 - Step 5: Solve for x
x = 154,583,384,542,250,663,936/14,276,184,396.88 - Step 6: Final answer
x = 10,828,060,232.68
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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.