Finding the Fourth Proportional to 532,213,912.48, 734,447,382.88 and 297,268,001.68
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Solution
The fourth proportional to 532,213,912.48, 734,447,382.88 and 297,268,001.68 is: 410,225,476.50
Step by Step Solution
- Step 1: Write the proportion equation
532,213,912.48 : 734,447,382.88 = 297,268,001.68 : x - Step 2: Convert to fraction form
532,213,912.48/734,447,382.88 = 297,268,001.68/x - Step 3: Cross multiply
532,213,912.48x = 734,447,382.88 × 297,268,001.68 - Step 4: Simplify right side
532,213,912.48x = 218,327,705,843,428,064 - Step 5: Solve for x
x = 218,327,705,843,428,064/532,213,912.48 - Step 6: Final answer
x = 410,225,476.50
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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.