Finding the Fourth Proportional to 7,668,482,779.90, 10,581,699,708.11 and 4,452,764,178.94
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Solution
The fourth proportional to 7,668,482,779.90, 10,581,699,708.11 and 4,452,764,178.94 is: 6,144,346,250.09
Step by Step Solution
- Step 1: Write the proportion equation
7,668,482,779.90 : 10,581,699,708.11 = 4,452,764,178.94 : x - Step 2: Convert to fraction form
7,668,482,779.90/10,581,699,708.11 = 4,452,764,178.94/x - Step 3: Cross multiply
7,668,482,779.90x = 10,581,699,708.11 × 4,452,764,178.94 - Step 4: Simplify right side
7,668,482,779.90x = 47,117,813,412,572,061,696 - Step 5: Solve for x
x = 47,117,813,412,572,061,696/7,668,482,779.90 - Step 6: Final answer
x = 6,144,346,250.09
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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.