Finding the Fourth Proportional to 2,057,405,621.85, 2,839,297,805.40 and 1,153,178,269.07
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Solution
The fourth proportional to 2,057,405,621.85, 2,839,297,805.40 and 1,153,178,269.07 is: 1,591,429,756.88
Step by Step Solution
- Step 1: Write the proportion equation
2,057,405,621.85 : 2,839,297,805.40 = 1,153,178,269.07 : x - Step 2: Convert to fraction form
2,057,405,621.85/2,839,297,805.40 = 1,153,178,269.07/x - Step 3: Cross multiply
2,057,405,621.85x = 2,839,297,805.40 × 1,153,178,269.07 - Step 4: Simplify right side
2,057,405,621.85x = 3,274,216,528,591,225,344 - Step 5: Solve for x
x = 3,274,216,528,591,225,344/2,057,405,621.85 - Step 6: Final answer
x = 1,591,429,756.88
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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.