Finding the Fourth Proportional to 1,552,177,620.70, 2,328,589,912.65 and 517,359,982.30
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Solution
The fourth proportional to 1,552,177,620.70, 2,328,589,912.65 and 517,359,982.30 is: 776,147,793.86
Step by Step Solution
- Step 1: Write the proportion equation
1,552,177,620.70 : 2,328,589,912.65 = 517,359,982.30 : x - Step 2: Convert to fraction form
1,552,177,620.70/2,328,589,912.65 = 517,359,982.30/x - Step 3: Cross multiply
1,552,177,620.70x = 2,328,589,912.65 × 517,359,982.30 - Step 4: Simplify right side
1,552,177,620.70x = 1,204,719,235,992,562,688 - Step 5: Solve for x
x = 1,204,719,235,992,562,688/1,552,177,620.70 - Step 6: Final answer
x = 776,147,793.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.