Finding the Fourth Proportional to 1,809,719,817.84, 2,714,575,716 and 481,748,157.99
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Solution
The fourth proportional to 1,809,719,817.84, 2,714,575,716 and 481,748,157.99 is: 722,621,169.32
Step by Step Solution
- Step 1: Write the proportion equation
1,809,719,817.84 : 2,714,575,716 = 481,748,157.99 : x - Step 2: Convert to fraction form
1,809,719,817.84/2,714,575,716 = 481,748,157.99/x - Step 3: Cross multiply
1,809,719,817.84x = 2,714,575,716 × 481,748,157.99 - Step 4: Simplify right side
1,809,719,817.84x = 1,307,741,850,907,385,344 - Step 5: Solve for x
x = 1,307,741,850,907,385,344/1,809,719,817.84 - Step 6: Final answer
x = 722,621,169.32
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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.