Finding the Fourth Proportional to 20,345,949,375.08, 28,077,433,414.88 and 11,313,513,551.09
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Solution
The fourth proportional to 20,345,949,375.08, 28,077,433,414.88 and 11,313,513,551.09 is: 15,612,661,643.99
Step by Step Solution
- Step 1: Write the proportion equation
20,345,949,375.08 : 28,077,433,414.88 = 11,313,513,551.09 : x - Step 2: Convert to fraction form
20,345,949,375.08/28,077,433,414.88 = 11,313,513,551.09/x - Step 3: Cross multiply
20,345,949,375.08x = 28,077,433,414.88 × 11,313,513,551.09 - Step 4: Simplify right side
20,345,949,375.08x = 317,654,423,418,875,084,800 - Step 5: Solve for x
x = 317,654,423,418,875,084,800/20,345,949,375.08 - Step 6: Final answer
x = 15,612,661,643.99
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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.