Finding the Fourth Proportional to 14,372,771,664.79, 19,835,498,541.12 and 8,270,994,622.42
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Solution
The fourth proportional to 14,372,771,664.79, 19,835,498,541.12 and 8,270,994,622.42 is: 11,414,590,420.89
Step by Step Solution
- Step 1: Write the proportion equation
14,372,771,664.79 : 19,835,498,541.12 = 8,270,994,622.42 : x - Step 2: Convert to fraction form
14,372,771,664.79/19,835,498,541.12 = 8,270,994,622.42/x - Step 3: Cross multiply
14,372,771,664.79x = 19,835,498,541.12 × 8,270,994,622.42 - Step 4: Simplify right side
14,372,771,664.79x = 164,059,301,766,524,076,032 - Step 5: Solve for x
x = 164,059,301,766,524,076,032/14,372,771,664.79 - Step 6: Final answer
x = 11,414,590,420.89
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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.