Finding the Fourth Proportional to 3,723,248,577.84, 5,138,117,694.72 and 2,052,557,505.60
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Solution
The fourth proportional to 3,723,248,577.84, 5,138,117,694.72 and 2,052,557,505.60 is: 2,832,548,463.65
Step by Step Solution
- Step 1: Write the proportion equation
3,723,248,577.84 : 5,138,117,694.72 = 2,052,557,505.60 : x - Step 2: Convert to fraction form
3,723,248,577.84/5,138,117,694.72 = 2,052,557,505.60/x - Step 3: Cross multiply
3,723,248,577.84x = 5,138,117,694.72 × 2,052,557,505.60 - Step 4: Simplify right side
3,723,248,577.84x = 10,546,282,038,953,705,472 - Step 5: Solve for x
x = 10,546,282,038,953,705,472/3,723,248,577.84 - Step 6: Final answer
x = 2,832,548,463.65
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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.