Finding the Fourth Proportional to 5,310,568,858.11, 7,961,926,207.68 and 3,211,578,624.47
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Solution
The fourth proportional to 5,310,568,858.11, 7,961,926,207.68 and 3,211,578,624.47 is: 4,814,993,026.43
Step by Step Solution
- Step 1: Write the proportion equation
5,310,568,858.11 : 7,961,926,207.68 = 3,211,578,624.47 : x - Step 2: Convert to fraction form
5,310,568,858.11/7,961,926,207.68 = 3,211,578,624.47/x - Step 3: Cross multiply
5,310,568,858.11x = 7,961,926,207.68 × 3,211,578,624.47 - Step 4: Simplify right side
5,310,568,858.11x = 25,570,352,018,152,771,584 - Step 5: Solve for x
x = 25,570,352,018,152,771,584/5,310,568,858.11 - Step 6: Final answer
x = 4,814,993,026.43
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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.