Finding the Fourth Proportional to 589,935,676.26, 813,989,695.18 and 338,991,585.88
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Solution
The fourth proportional to 589,935,676.26, 813,989,695.18 and 338,991,585.88 is: 467,738,549.75
Step by Step Solution
- Step 1: Write the proportion equation
589,935,676.26 : 813,989,695.18 = 338,991,585.88 : x - Step 2: Convert to fraction form
589,935,676.26/813,989,695.18 = 338,991,585.88/x - Step 3: Cross multiply
589,935,676.26x = 813,989,695.18 × 338,991,585.88 - Step 4: Simplify right side
589,935,676.26x = 275,935,657,659,045,984 - Step 5: Solve for x
x = 275,935,657,659,045,984/589,935,676.26 - Step 6: Final answer
x = 467,738,549.75
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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.