Finding the Fourth Proportional to 873,839,396.23, 1,310,770,453.21 and 291,573,641.79
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Solution
The fourth proportional to 873,839,396.23, 1,310,770,453.21 and 291,573,641.79 is: 437,364,252.79
Step by Step Solution
- Step 1: Write the proportion equation
873,839,396.23 : 1,310,770,453.21 = 291,573,641.79 : x - Step 2: Convert to fraction form
873,839,396.23/1,310,770,453.21 = 291,573,641.79/x - Step 3: Cross multiply
873,839,396.23x = 1,310,770,453.21 × 291,573,641.79 - Step 4: Simplify right side
873,839,396.23x = 382,186,114,592,439,616 - Step 5: Solve for x
x = 382,186,114,592,439,616/873,839,396.23 - Step 6: Final answer
x = 437,364,252.79
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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.