Finding the Fourth Proportional to 4,938,505,611.11, 6,815,147,420.19 and 2,931,743,201.75
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Solution
The fourth proportional to 4,938,505,611.11, 6,815,147,420.19 and 2,931,743,201.75 is: 4,045,811,363.08
Step by Step Solution
- Step 1: Write the proportion equation
4,938,505,611.11 : 6,815,147,420.19 = 2,931,743,201.75 : x - Step 2: Convert to fraction form
4,938,505,611.11/6,815,147,420.19 = 2,931,743,201.75/x - Step 3: Cross multiply
4,938,505,611.11x = 6,815,147,420.19 × 2,931,743,201.75 - Step 4: Simplify right side
4,938,505,611.11x = 19,980,262,118,066,081,792 - Step 5: Solve for x
x = 19,980,262,118,066,081,792/4,938,505,611.11 - Step 6: Final answer
x = 4,045,811,363.08
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1.5x scale
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.