Finding the Fourth Proportional to 2,209,049,021.12, 3,048,552,436.92 and 1,205,531,382.76
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Solution
The fourth proportional to 2,209,049,021.12, 3,048,552,436.92 and 1,205,531,382.76 is: 1,663,668,664.46
Step by Step Solution
- Step 1: Write the proportion equation
2,209,049,021.12 : 3,048,552,436.92 = 1,205,531,382.76 : x - Step 2: Convert to fraction form
2,209,049,021.12/3,048,552,436.92 = 1,205,531,382.76/x - Step 3: Cross multiply
2,209,049,021.12x = 3,048,552,436.92 × 1,205,531,382.76 - Step 4: Simplify right side
2,209,049,021.12x = 3,675,125,634,696,535,552 - Step 5: Solve for x
x = 3,675,125,634,696,535,552/2,209,049,021.12 - Step 6: Final answer
x = 1,663,668,664.46
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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.