Finding the Fourth Proportional to 2,218,922,268.64, 3,062,114,381.66 and 1,201,655,591.75
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Solution
The fourth proportional to 2,218,922,268.64, 3,062,114,381.66 and 1,201,655,591.75 is: 1,658,285,610.68
Step by Step Solution
- Step 1: Write the proportion equation
2,218,922,268.64 : 3,062,114,381.66 = 1,201,655,591.75 : x - Step 2: Convert to fraction form
2,218,922,268.64/3,062,114,381.66 = 1,201,655,591.75/x - Step 3: Cross multiply
2,218,922,268.64x = 3,062,114,381.66 × 1,201,655,591.75 - Step 4: Simplify right side
2,218,922,268.64x = 3,679,606,869,301,479,936 - Step 5: Solve for x
x = 3,679,606,869,301,479,936/2,218,922,268.64 - Step 6: Final answer
x = 1,658,285,610.68
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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.