Finding the Fourth Proportional to 3,933,275,372.16, 5,427,758,495.94 and 2,149,190,070.84
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Solution
The fourth proportional to 3,933,275,372.16, 5,427,758,495.94 and 2,149,190,070.84 is: 2,965,794,042.53
Step by Step Solution
- Step 1: Write the proportion equation
3,933,275,372.16 : 5,427,758,495.94 = 2,149,190,070.84 : x - Step 2: Convert to fraction form
3,933,275,372.16/5,427,758,495.94 = 2,149,190,070.84/x - Step 3: Cross multiply
3,933,275,372.16x = 5,427,758,495.94 × 2,149,190,070.84 - Step 4: Simplify right side
3,933,275,372.16x = 11,665,284,666,391,699,456 - Step 5: Solve for x
x = 11,665,284,666,391,699,456/3,933,275,372.16 - Step 6: Final answer
x = 2,965,794,042.53
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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.