Finding the Fourth Proportional to 7,086,951,277.30, 10,627,965,163.14 and 3,943,962,226.54
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Solution
The fourth proportional to 7,086,951,277.30, 10,627,965,163.14 and 3,943,962,226.54 is: 5,914,573,348.72
Step by Step Solution
- Step 1: Write the proportion equation
7,086,951,277.30 : 10,627,965,163.14 = 3,943,962,226.54 : x - Step 2: Convert to fraction form
7,086,951,277.30/10,627,965,163.14 = 3,943,962,226.54/x - Step 3: Cross multiply
7,086,951,277.30x = 10,627,965,163.14 × 3,943,962,226.54 - Step 4: Simplify right side
7,086,951,277.30x = 41,916,293,148,407,185,408 - Step 5: Solve for x
x = 41,916,293,148,407,185,408/7,086,951,277.30 - Step 6: Final answer
x = 5,914,573,348.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.