Finding the Fourth Proportional to 2,745,317,734.13, 3,788,952,599.18 and 1,674,242,450.28
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Solution
The fourth proportional to 2,745,317,734.13, 3,788,952,599.18 and 1,674,242,450.28 is: 2,310,707,137.75
Step by Step Solution
- Step 1: Write the proportion equation
2,745,317,734.13 : 3,788,952,599.18 = 1,674,242,450.28 : x - Step 2: Convert to fraction form
2,745,317,734.13/3,788,952,599.18 = 1,674,242,450.28/x - Step 3: Cross multiply
2,745,317,734.13x = 3,788,952,599.18 × 1,674,242,450.28 - Step 4: Simplify right side
2,745,317,734.13x = 6,343,625,283,649,915,904 - Step 5: Solve for x
x = 6,343,625,283,649,915,904/2,745,317,734.13 - Step 6: Final answer
x = 2,310,707,137.75
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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.