Finding the Fourth Proportional to 189,337,452,073.62, 261,293,897,183.84 and 104,851,087,657.62
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Solution
The fourth proportional to 189,337,452,073.62, 261,293,897,183.84 and 104,851,087,657.62 is: 144,699,049,332.15
Step by Step Solution
- Step 1: Write the proportion equation
189,337,452,073.62 : 261,293,897,183.84 = 104,851,087,657.62 : x - Step 2: Convert to fraction form
189,337,452,073.62/261,293,897,183.84 = 104,851,087,657.62/x - Step 3: Cross multiply
189,337,452,073.62x = 261,293,897,183.84 × 104,851,087,657.62 - Step 4: Simplify right side
189,337,452,073.62x = 27,396,949,318,023,954,563,072 - Step 5: Solve for x
x = 27,396,949,318,023,954,563,072/189,337,452,073.62 - Step 6: Final answer
x = 144,699,049,332.15
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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.