Finding the Fourth Proportional to 1,246,368,836,783.70, 1,867,118,474,505.30 and 858,626,473,448.90
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Solution
The fourth proportional to 1,246,368,836,783.70, 1,867,118,474,505.30 and 858,626,473,448.90 is: 1,286,262,383,944.69
Step by Step Solution
- Step 1: Write the proportion equation
1,246,368,836,783.70 : 1,867,118,474,505.30 = 858,626,473,448.90 : x - Step 2: Convert to fraction form
1,246,368,836,783.70/1,867,118,474,505.30 = 858,626,473,448.90/x - Step 3: Cross multiply
1,246,368,836,783.70x = 1,867,118,474,505.30 × 858,626,473,448.90 - Step 4: Simplify right side
1,246,368,836,783.70x = 1,603,157,351,275,775,683,198,976 - Step 5: Solve for x
x = 1,603,157,351,275,775,683,198,976/1,246,368,836,783.70 - Step 6: Final answer
x = 1,286,262,383,944.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.