Finding the Fourth Proportional to 49,332,077,635.99, 68,076,505,704.12 and 27,921,859,388.73
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Solution
The fourth proportional to 49,332,077,635.99, 68,076,505,704.12 and 27,921,859,388.73 is: 38,531,168,988.51
Step by Step Solution
- Step 1: Write the proportion equation
49,332,077,635.99 : 68,076,505,704.12 = 27,921,859,388.73 : x - Step 2: Convert to fraction form
49,332,077,635.99/68,076,505,704.12 = 27,921,859,388.73/x - Step 3: Cross multiply
49,332,077,635.99x = 68,076,505,704.12 × 27,921,859,388.73 - Step 4: Simplify right side
49,332,077,635.99x = 1,900,822,619,946,514,382,848 - Step 5: Solve for x
x = 1,900,822,619,946,514,382,848/49,332,077,635.99 - Step 6: Final answer
x = 38,531,168,988.51
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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.