Finding the Fourth Proportional to 7,351,698,436.64, 10,145,408,591.84 and 4,010,211,579.68
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Solution
The fourth proportional to 7,351,698,436.64, 10,145,408,591.84 and 4,010,211,579.68 is: 5,534,127,299.46
Step by Step Solution
- Step 1: Write the proportion equation
7,351,698,436.64 : 10,145,408,591.84 = 4,010,211,579.68 : x - Step 2: Convert to fraction form
7,351,698,436.64/10,145,408,591.84 = 4,010,211,579.68/x - Step 3: Cross multiply
7,351,698,436.64x = 10,145,408,591.84 × 4,010,211,579.68 - Step 4: Simplify right side
7,351,698,436.64x = 40,685,235,015,581,728,768 - Step 5: Solve for x
x = 40,685,235,015,581,728,768/7,351,698,436.64 - Step 6: Final answer
x = 5,534,127,299.46
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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.