Finding the Fourth Proportional to 11,196,384,929.64, 15,450,906,780.97 and 6,115,746,919.75
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Solution
The fourth proportional to 11,196,384,929.64, 15,450,906,780.97 and 6,115,746,919.75 is: 8,439,673,711.38
Step by Step Solution
- Step 1: Write the proportion equation
11,196,384,929.64 : 15,450,906,780.97 = 6,115,746,919.75 : x - Step 2: Convert to fraction form
11,196,384,929.64/15,450,906,780.97 = 6,115,746,919.75/x - Step 3: Cross multiply
11,196,384,929.64x = 15,450,906,780.97 × 6,115,746,919.75 - Step 4: Simplify right side
11,196,384,929.64x = 94,493,835,553,097,072,640 - Step 5: Solve for x
x = 94,493,835,553,097,072,640/11,196,384,929.64 - Step 6: Final answer
x = 8,439,673,711.38
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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.