Finding the Fourth Proportional to 6,555,207,579.84, 9,839,741,418.72 and 6,407,169,336
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Solution
The fourth proportional to 6,555,207,579.84, 9,839,741,418.72 and 6,407,169,336 is: 9,617,527,549.56
Step by Step Solution
- Step 1: Write the proportion equation
6,555,207,579.84 : 9,839,741,418.72 = 6,407,169,336 : x - Step 2: Convert to fraction form
6,555,207,579.84/9,839,741,418.72 = 6,407,169,336/x - Step 3: Cross multiply
6,555,207,579.84x = 9,839,741,418.72 × 6,407,169,336 - Step 4: Simplify right side
6,555,207,579.84x = 63,044,889,492,191,911,936 - Step 5: Solve for x
x = 63,044,889,492,191,911,936/6,555,207,579.84 - Step 6: Final answer
x = 9,617,527,549.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.