Finding the Fourth Proportional to 634,274,328.24, 875,287,832.76 and 355,809,872.88
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Solution
The fourth proportional to 634,274,328.24, 875,287,832.76 and 355,809,872.88 is: 491,011,599.62
Step by Step Solution
- Step 1: Write the proportion equation
634,274,328.24 : 875,287,832.76 = 355,809,872.88 : x - Step 2: Convert to fraction form
634,274,328.24/875,287,832.76 = 355,809,872.88/x - Step 3: Cross multiply
634,274,328.24x = 875,287,832.76 × 355,809,872.88 - Step 4: Simplify right side
634,274,328.24x = 311,436,052,507,746,304 - Step 5: Solve for x
x = 311,436,052,507,746,304/634,274,328.24 - Step 6: Final answer
x = 491,011,599.62
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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.