Finding the Fourth Proportional to 7,560,644,812.80, 11,337,565,996.80 and 2,900,970,124.80
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Solution
The fourth proportional to 7,560,644,812.80, 11,337,565,996.80 and 2,900,970,124.80 is: 4,350,150,160.34
Step by Step Solution
- Step 1: Write the proportion equation
7,560,644,812.80 : 11,337,565,996.80 = 2,900,970,124.80 : x - Step 2: Convert to fraction form
7,560,644,812.80/11,337,565,996.80 = 2,900,970,124.80/x - Step 3: Cross multiply
7,560,644,812.80x = 11,337,565,996.80 × 2,900,970,124.80 - Step 4: Simplify right side
7,560,644,812.80x = 32,889,940,244,665,131,008 - Step 5: Solve for x
x = 32,889,940,244,665,131,008/7,560,644,812.80 - Step 6: Final answer
x = 4,350,150,160.34
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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.