Finding the Fourth Proportional to 589,691,120.05, 813,790,778.60 and 325,390,133.41
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Solution
The fourth proportional to 589,691,120.05, 813,790,778.60 and 325,390,133.41 is: 449,047,782.84
Step by Step Solution
- Step 1: Write the proportion equation
589,691,120.05 : 813,790,778.60 = 325,390,133.41 : x - Step 2: Convert to fraction form
589,691,120.05/813,790,778.60 = 325,390,133.41/x - Step 3: Cross multiply
589,691,120.05x = 813,790,778.60 × 325,390,133.41 - Step 4: Simplify right side
589,691,120.05x = 264,799,490,015,260,768 - Step 5: Solve for x
x = 264,799,490,015,260,768/589,691,120.05 - Step 6: Final answer
x = 449,047,782.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.