Finding the Fourth Proportional to 627,922,426.44, 866,532,950.70 and 349,529,715.96
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Solution
The fourth proportional to 627,922,426.44, 866,532,950.70 and 349,529,715.96 is: 482,351,009.26
Step by Step Solution
- Step 1: Write the proportion equation
627,922,426.44 : 866,532,950.70 = 349,529,715.96 : x - Step 2: Convert to fraction form
627,922,426.44/866,532,950.70 = 349,529,715.96/x - Step 3: Cross multiply
627,922,426.44x = 866,532,950.70 × 349,529,715.96 - Step 4: Simplify right side
627,922,426.44x = 302,879,016,128,151,680 - Step 5: Solve for x
x = 302,879,016,128,151,680/627,922,426.44 - Step 6: Final answer
x = 482,351,009.26
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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.