Finding the Fourth Proportional to 3,960,445,736.83, 5,465,458,617.29 and 2,176,299,651.09
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Solution
The fourth proportional to 3,960,445,736.83, 5,465,458,617.29 and 2,176,299,651.09 is: 3,003,317,422.40
Step by Step Solution
- Step 1: Write the proportion equation
3,960,445,736.83 : 5,465,458,617.29 = 2,176,299,651.09 : x - Step 2: Convert to fraction form
3,960,445,736.83/5,465,458,617.29 = 2,176,299,651.09/x - Step 3: Cross multiply
3,960,445,736.83x = 5,465,458,617.29 × 2,176,299,651.09 - Step 4: Simplify right side
3,960,445,736.83x = 11,894,475,681,862,234,112 - Step 5: Solve for x
x = 11,894,475,681,862,234,112/3,960,445,736.83 - Step 6: Final answer
x = 3,003,317,422.40
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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.