Finding the Fourth Proportional to 18,915,398,194,944, 28,370,230,494,885 and 5,148,057,738,373.70
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Solution
The fourth proportional to 18,915,398,194,944, 28,370,230,494,885 and 5,148,057,738,373.70 is: 7,721,306,373,432.69
Step by Step Solution
- Step 1: Write the proportion equation
18,915,398,194,944 : 28,370,230,494,885 = 5,148,057,738,373.70 : x - Step 2: Convert to fraction form
18,915,398,194,944/28,370,230,494,885 = 5,148,057,738,373.70/x - Step 3: Cross multiply
18,915,398,194,944x = 28,370,230,494,885 × 5,148,057,738,373.70 - Step 4: Simplify right side
18,915,398,194,944x = 146,051,584,638,638,259,273,990,144 - Step 5: Solve for x
x = 146,051,584,638,638,259,273,990,144/18,915,398,194,944 - Step 6: Final answer
x = 7,721,306,373,432.69
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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.