Finding the Fourth Proportional to 442,415,100.18, 608,894,724.51 and 324,754,062.78
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Solution
The fourth proportional to 442,415,100.18, 608,894,724.51 and 324,754,062.78 is: 446,958,151.99
Step by Step Solution
- Step 1: Write the proportion equation
442,415,100.18 : 608,894,724.51 = 324,754,062.78 : x - Step 2: Convert to fraction form
442,415,100.18/608,894,724.51 = 324,754,062.78/x - Step 3: Cross multiply
442,415,100.18x = 608,894,724.51 × 324,754,062.78 - Step 4: Simplify right side
442,415,100.18x = 197,741,035,589,931,328 - Step 5: Solve for x
x = 197,741,035,589,931,328/442,415,100.18 - Step 6: Final answer
x = 446,958,151.99
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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.