Finding the Fourth Proportional to 2,070,970,524.18, 3,106,467,399.21 and 690,781,243.14
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Solution
The fourth proportional to 2,070,970,524.18, 3,106,467,399.21 and 690,781,243.14 is: 1,036,175,738.26
Step by Step Solution
- Step 1: Write the proportion equation
2,070,970,524.18 : 3,106,467,399.21 = 690,781,243.14 : x - Step 2: Convert to fraction form
2,070,970,524.18/3,106,467,399.21 = 690,781,243.14/x - Step 3: Cross multiply
2,070,970,524.18x = 3,106,467,399.21 × 690,781,243.14 - Step 4: Simplify right side
2,070,970,524.18x = 2,145,889,411,800,166,400 - Step 5: Solve for x
x = 2,145,889,411,800,166,400/2,070,970,524.18 - Step 6: Final answer
x = 1,036,175,738.26
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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.