Finding the Fourth Proportional to 5,323,806,242.13, 7,986,435,738.80 and 2,217,662,473.40
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Solution
The fourth proportional to 5,323,806,242.13, 7,986,435,738.80 and 2,217,662,473.40 is: 3,326,796,286.08
Step by Step Solution
- Step 1: Write the proportion equation
5,323,806,242.13 : 7,986,435,738.80 = 2,217,662,473.40 : x - Step 2: Convert to fraction form
5,323,806,242.13/7,986,435,738.80 = 2,217,662,473.40/x - Step 3: Cross multiply
5,323,806,242.13x = 7,986,435,738.80 × 2,217,662,473.40 - Step 4: Simplify right side
5,323,806,242.13x = 17,711,218,834,106,343,424 - Step 5: Solve for x
x = 17,711,218,834,106,343,424/5,323,806,242.13 - Step 6: Final answer
x = 3,326,796,286.08
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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.