Finding the Fourth Proportional to 4,511,188,845.72, 6,768,168,854.04 and 2,153,358,511.56
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Solution
The fourth proportional to 4,511,188,845.72, 6,768,168,854.04 and 2,153,358,511.56 is: 3,230,699,158.90
Step by Step Solution
- Step 1: Write the proportion equation
4,511,188,845.72 : 6,768,168,854.04 = 2,153,358,511.56 : x - Step 2: Convert to fraction form
4,511,188,845.72/6,768,168,854.04 = 2,153,358,511.56/x - Step 3: Cross multiply
4,511,188,845.72x = 6,768,168,854.04 × 2,153,358,511.56 - Step 4: Simplify right side
4,511,188,845.72x = 14,574,294,009,522,325,504 - Step 5: Solve for x
x = 14,574,294,009,522,325,504/4,511,188,845.72 - Step 6: Final answer
x = 3,230,699,158.90
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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.