Finding the Fourth Proportional to 9,699,821,021.80, 14,549,731,532.70 and 4,185,305,770.60
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Solution
The fourth proportional to 9,699,821,021.80, 14,549,731,532.70 and 4,185,305,770.60 is: 6,277,958,655.90
Step by Step Solution
- Step 1: Write the proportion equation
9,699,821,021.80 : 14,549,731,532.70 = 4,185,305,770.60 : x - Step 2: Convert to fraction form
9,699,821,021.80/14,549,731,532.70 = 4,185,305,770.60/x - Step 3: Cross multiply
9,699,821,021.80x = 14,549,731,532.70 × 4,185,305,770.60 - Step 4: Simplify right side
9,699,821,021.80x = 60,895,075,344,490,094,592 - Step 5: Solve for x
x = 60,895,075,344,490,094,592/9,699,821,021.80 - Step 6: Final answer
x = 6,277,958,655.90
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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.