Finding the Fourth Proportional to 8,306,155,286.45, 12,460,530,579.65 and 2,708,790,536.18
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Solution
The fourth proportional to 8,306,155,286.45, 12,460,530,579.65 and 2,708,790,536.18 is: 4,063,608,991.88
Step by Step Solution
- Step 1: Write the proportion equation
8,306,155,286.45 : 12,460,530,579.65 = 2,708,790,536.18 : x - Step 2: Convert to fraction form
8,306,155,286.45/12,460,530,579.65 = 2,708,790,536.18/x - Step 3: Cross multiply
8,306,155,286.45x = 12,460,530,579.65 × 2,708,790,536.18 - Step 4: Simplify right side
8,306,155,286.45x = 33,752,967,309,937,405,952 - Step 5: Solve for x
x = 33,752,967,309,937,405,952/8,306,155,286.45 - Step 6: Final answer
x = 4,063,608,991.88
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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.