Finding the Fourth Proportional to 3,884,197,104.28, 5,360,181,921.99 and 2,167,528,262.19
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Solution
The fourth proportional to 3,884,197,104.28, 5,360,181,921.99 and 2,167,528,262.19 is: 2,991,183,375.73
Step by Step Solution
- Step 1: Write the proportion equation
3,884,197,104.28 : 5,360,181,921.99 = 2,167,528,262.19 : x - Step 2: Convert to fraction form
3,884,197,104.28/5,360,181,921.99 = 2,167,528,262.19/x - Step 3: Cross multiply
3,884,197,104.28x = 5,360,181,921.99 × 2,167,528,262.19 - Step 4: Simplify right side
3,884,197,104.28x = 11,618,345,806,366,437,376 - Step 5: Solve for x
x = 11,618,345,806,366,437,376/3,884,197,104.28 - Step 6: Final answer
x = 2,991,183,375.73
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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.