Finding the Fourth Proportional to 880,075,753.20, 1,320,113,874.42 and 327,305,957.94
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Solution
The fourth proportional to 880,075,753.20, 1,320,113,874.42 and 327,305,957.94 is: 490,959,027.89
Step by Step Solution
- Step 1: Write the proportion equation
880,075,753.20 : 1,320,113,874.42 = 327,305,957.94 : x - Step 2: Convert to fraction form
880,075,753.20/1,320,113,874.42 = 327,305,957.94/x - Step 3: Cross multiply
880,075,753.20x = 1,320,113,874.42 × 327,305,957.94 - Step 4: Simplify right side
880,075,753.20x = 432,081,136,256,923,008 - Step 5: Solve for x
x = 432,081,136,256,923,008/880,075,753.20 - Step 6: Final answer
x = 490,959,027.89
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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.