Finding the Fourth Proportional to 2,588,675,882.58, 3,882,990,403.62 and 818,046,892.44
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Solution
The fourth proportional to 2,588,675,882.58, 3,882,990,403.62 and 818,046,892.44 is: 1,227,062,937.63
Step by Step Solution
- Step 1: Write the proportion equation
2,588,675,882.58 : 3,882,990,403.62 = 818,046,892.44 : x - Step 2: Convert to fraction form
2,588,675,882.58/3,882,990,403.62 = 818,046,892.44/x - Step 3: Cross multiply
2,588,675,882.58x = 3,882,990,403.62 × 818,046,892.44 - Step 4: Simplify right side
2,588,675,882.58x = 3,176,468,233,055,682,560 - Step 5: Solve for x
x = 3,176,468,233,055,682,560/2,588,675,882.58 - Step 6: Final answer
x = 1,227,062,937.63
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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.