Finding the Fourth Proportional to 420,232,852.68, 631,305,872.81 and 304,006,705.98
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Solution
The fourth proportional to 420,232,852.68, 631,305,872.81 and 304,006,705.98 is: 456,702,082.27
Step by Step Solution
- Step 1: Write the proportion equation
420,232,852.68 : 631,305,872.81 = 304,006,705.98 : x - Step 2: Convert to fraction form
420,232,852.68/631,305,872.81 = 304,006,705.98/x - Step 3: Cross multiply
420,232,852.68x = 631,305,872.81 × 304,006,705.98 - Step 4: Simplify right side
420,232,852.68x = 191,921,218,858,796,928 - Step 5: Solve for x
x = 191,921,218,858,796,928/420,232,852.68 - Step 6: Final answer
x = 456,702,082.27
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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.