Finding the Fourth Proportional to 7,668,482,777.40, 10,581,699,704.66 and 4,452,764,176.44
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Solution
The fourth proportional to 7,668,482,777.40, 10,581,699,704.66 and 4,452,764,176.44 is: 6,144,346,246.64
Step by Step Solution
- Step 1: Write the proportion equation
7,668,482,777.40 : 10,581,699,704.66 = 4,452,764,176.44 : x - Step 2: Convert to fraction form
7,668,482,777.40/10,581,699,704.66 = 4,452,764,176.44/x - Step 3: Cross multiply
7,668,482,777.40x = 10,581,699,704.66 × 4,452,764,176.44 - Step 4: Simplify right side
7,668,482,777.40x = 47,117,813,370,755,768,320 - Step 5: Solve for x
x = 47,117,813,370,755,768,320/7,668,482,777.40 - Step 6: Final answer
x = 6,144,346,246.64
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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.