Finding the Fourth Proportional to 3,818,548,842.69, 5,269,559,330.09 and 2,124,974,479.22
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Solution
The fourth proportional to 3,818,548,842.69, 5,269,559,330.09 and 2,124,974,479.22 is: 2,932,443,594.28
Step by Step Solution
- Step 1: Write the proportion equation
3,818,548,842.69 : 5,269,559,330.09 = 2,124,974,479.22 : x - Step 2: Convert to fraction form
3,818,548,842.69/5,269,559,330.09 = 2,124,974,479.22/x - Step 3: Cross multiply
3,818,548,842.69x = 5,269,559,330.09 × 2,124,974,479.22 - Step 4: Simplify right side
3,818,548,842.69x = 11,197,679,093,176,889,344 - Step 5: Solve for x
x = 11,197,679,093,176,889,344/3,818,548,842.69 - Step 6: Final answer
x = 2,932,443,594.28
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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.