Finding the Fourth Proportional to 2,621,837,529.77, 3,618,137,242.75 and 1,416,178,770.44
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Solution
The fourth proportional to 2,621,837,529.77, 3,618,137,242.75 and 1,416,178,770.44 is: 1,954,327,487.32
Step by Step Solution
- Step 1: Write the proportion equation
2,621,837,529.77 : 3,618,137,242.75 = 1,416,178,770.44 : x - Step 2: Convert to fraction form
2,621,837,529.77/3,618,137,242.75 = 1,416,178,770.44/x - Step 3: Cross multiply
2,621,837,529.77x = 3,618,137,242.75 × 1,416,178,770.44 - Step 4: Simplify right side
2,621,837,529.77x = 5,123,929,151,720,866,816 - Step 5: Solve for x
x = 5,123,929,151,720,866,816/2,621,837,529.77 - Step 6: Final answer
x = 1,954,327,487.32
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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.