Finding the Fourth Proportional to 7,091,719,228.40, 10,637,578,842.60 and 2,183,755,305.20
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Solution
The fourth proportional to 7,091,719,228.40, 10,637,578,842.60 and 2,183,755,305.20 is: 3,275,632,957.80
Step by Step Solution
- Step 1: Write the proportion equation
7,091,719,228.40 : 10,637,578,842.60 = 2,183,755,305.20 : x - Step 2: Convert to fraction form
7,091,719,228.40/10,637,578,842.60 = 2,183,755,305.20/x - Step 3: Cross multiply
7,091,719,228.40x = 10,637,578,842.60 × 2,183,755,305.20 - Step 4: Simplify right side
7,091,719,228.40x = 23,229,869,232,011,026,432 - Step 5: Solve for x
x = 23,229,869,232,011,026,432/7,091,719,228.40 - Step 6: Final answer
x = 3,275,632,957.80
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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.