Finding the Fourth Proportional to 2,478,957,268.94, 3,719,010,351.11 and 708,351,049.14
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Solution
The fourth proportional to 2,478,957,268.94, 3,719,010,351.11 and 708,351,049.14 is: 1,062,690,719.59
Step by Step Solution
- Step 1: Write the proportion equation
2,478,957,268.94 : 3,719,010,351.11 = 708,351,049.14 : x - Step 2: Convert to fraction form
2,478,957,268.94/3,719,010,351.11 = 708,351,049.14/x - Step 3: Cross multiply
2,478,957,268.94x = 3,719,010,351.11 × 708,351,049.14 - Step 4: Simplify right side
2,478,957,268.94x = 2,634,364,883,976,087,552 - Step 5: Solve for x
x = 2,634,364,883,976,087,552/2,478,957,268.94 - Step 6: Final answer
x = 1,062,690,719.59
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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.