Finding the Fourth Proportional to 7,863,324,980.10, 10,851,323,984.28 and 4,295,034,161.70
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Solution
The fourth proportional to 7,863,324,980.10, 10,851,323,984.28 and 4,295,034,161.70 is: 5,927,111,918.95
Step by Step Solution
- Step 1: Write the proportion equation
7,863,324,980.10 : 10,851,323,984.28 = 4,295,034,161.70 : x - Step 2: Convert to fraction form
7,863,324,980.10/10,851,323,984.28 = 4,295,034,161.70/x - Step 3: Cross multiply
7,863,324,980.10x = 10,851,323,984.28 × 4,295,034,161.70 - Step 4: Simplify right side
7,863,324,980.10x = 46,606,807,212,157,157,376 - Step 5: Solve for x
x = 46,606,807,212,157,157,376/7,863,324,980.10 - Step 6: Final answer
x = 5,927,111,918.95
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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.