Finding the Fourth Proportional to 1,465,699,241.40, 2,198,867,726.70 and 482,958,544.20
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Solution
The fourth proportional to 1,465,699,241.40, 2,198,867,726.70 and 482,958,544.20 is: 724,542,884.50
Step by Step Solution
- Step 1: Write the proportion equation
1,465,699,241.40 : 2,198,867,726.70 = 482,958,544.20 : x - Step 2: Convert to fraction form
1,465,699,241.40/2,198,867,726.70 = 482,958,544.20/x - Step 3: Cross multiply
1,465,699,241.40x = 2,198,867,726.70 × 482,958,544.20 - Step 4: Simplify right side
1,465,699,241.40x = 1,061,961,956,175,395,328 - Step 5: Solve for x
x = 1,061,961,956,175,395,328/1,465,699,241.40 - Step 6: Final answer
x = 724,542,884.50
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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.