Finding the Fourth Proportional to 2,218,922,287.61, 3,062,114,407.77 and 1,201,655,610.64
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Solution
The fourth proportional to 2,218,922,287.61, 3,062,114,407.77 and 1,201,655,610.64 is: 1,658,285,636.71
Step by Step Solution
- Step 1: Write the proportion equation
2,218,922,287.61 : 3,062,114,407.77 = 1,201,655,610.64 : x - Step 2: Convert to fraction form
2,218,922,287.61/3,062,114,407.77 = 1,201,655,610.64/x - Step 3: Cross multiply
2,218,922,287.61x = 3,062,114,407.77 × 1,201,655,610.64 - Step 4: Simplify right side
2,218,922,287.61x = 3,679,606,958,517,629,952 - Step 5: Solve for x
x = 3,679,606,958,517,629,952/2,218,922,287.61 - Step 6: Final answer
x = 1,658,285,636.71
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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.