Finding the Fourth Proportional to 8,734,680,158.40, 13,102,020,237.60 and 2,839,227,998.40
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Solution
The fourth proportional to 8,734,680,158.40, 13,102,020,237.60 and 2,839,227,998.40 is: 4,258,841,997.60
Step by Step Solution
- Step 1: Write the proportion equation
8,734,680,158.40 : 13,102,020,237.60 = 2,839,227,998.40 : x - Step 2: Convert to fraction form
8,734,680,158.40/13,102,020,237.60 = 2,839,227,998.40/x - Step 3: Cross multiply
8,734,680,158.40x = 13,102,020,237.60 × 2,839,227,998.40 - Step 4: Simplify right side
8,734,680,158.40x = 37,199,622,694,197,346,304 - Step 5: Solve for x
x = 37,199,622,694,197,346,304/8,734,680,158.40 - Step 6: Final answer
x = 4,258,841,997.60
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Double scale
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Similar ratio
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1.5x scale
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.