Finding the Fourth Proportional to 891,042,944.48, 1,229,539,535.76 and 494,582,644.08
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Solution
The fourth proportional to 891,042,944.48, 1,229,539,535.76 and 494,582,644.08 is: 682,468,693.98
Step by Step Solution
- Step 1: Write the proportion equation
891,042,944.48 : 1,229,539,535.76 = 494,582,644.08 : x - Step 2: Convert to fraction form
891,042,944.48/1,229,539,535.76 = 494,582,644.08/x - Step 3: Cross multiply
891,042,944.48x = 1,229,539,535.76 × 494,582,644.08 - Step 4: Simplify right side
891,042,944.48x = 608,108,914,597,076,480 - Step 5: Solve for x
x = 608,108,914,597,076,480/891,042,944.48 - Step 6: Final answer
x = 682,468,693.98
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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.