Finding the Fourth Proportional to 3,818,548,841.69, 5,269,559,328.71 and 2,124,974,478.22
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Solution
The fourth proportional to 3,818,548,841.69, 5,269,559,328.71 and 2,124,974,478.22 is: 2,932,443,592.89
Step by Step Solution
- Step 1: Write the proportion equation
3,818,548,841.69 : 5,269,559,328.71 = 2,124,974,478.22 : x - Step 2: Convert to fraction form
3,818,548,841.69/5,269,559,328.71 = 2,124,974,478.22/x - Step 3: Cross multiply
3,818,548,841.69x = 5,269,559,328.71 × 2,124,974,478.22 - Step 4: Simplify right side
3,818,548,841.69x = 11,197,679,084,958,189,568 - Step 5: Solve for x
x = 11,197,679,084,958,189,568/3,818,548,841.69 - Step 6: Final answer
x = 2,932,443,592.89
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1.5x scale
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.