Finding the Fourth Proportional to 922,517,794.28, 1,273,074,638.18 and 504,830,057.96
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Solution
The fourth proportional to 922,517,794.28, 1,273,074,638.18 and 504,830,057.96 is: 696,665,524.90
Step by Step Solution
- Step 1: Write the proportion equation
922,517,794.28 : 1,273,074,638.18 = 504,830,057.96 : x - Step 2: Convert to fraction form
922,517,794.28/1,273,074,638.18 = 504,830,057.96/x - Step 3: Cross multiply
922,517,794.28x = 1,273,074,638.18 × 504,830,057.96 - Step 4: Simplify right side
922,517,794.28x = 642,686,343,379,815,424 - Step 5: Solve for x
x = 642,686,343,379,815,424/922,517,794.28 - Step 6: Final answer
x = 696,665,524.90
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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.