Finding the Fourth Proportional to 2,850,440,805.47, 3,932,210,482.74 and 2,473,568,436.17
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Solution
The fourth proportional to 2,850,440,805.47, 3,932,210,482.74 and 2,473,568,436.17 is: 3,412,311,427.70
Step by Step Solution
- Step 1: Write the proportion equation
2,850,440,805.47 : 3,932,210,482.74 = 2,473,568,436.17 : x - Step 2: Convert to fraction form
2,850,440,805.47/3,932,210,482.74 = 2,473,568,436.17/x - Step 3: Cross multiply
2,850,440,805.47x = 3,932,210,482.74 × 2,473,568,436.17 - Step 4: Simplify right side
2,850,440,805.47x = 9,726,591,734,462,799,872 - Step 5: Solve for x
x = 9,726,591,734,462,799,872/2,850,440,805.47 - Step 6: Final answer
x = 3,412,311,427.70
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Double scale
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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.