Finding the Fourth Proportional to 4,088,720,896.40, 6,133,081,344.60 and 3,109,168,845.20
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Solution
The fourth proportional to 4,088,720,896.40, 6,133,081,344.60 and 3,109,168,845.20 is: 4,663,753,267.80
Step by Step Solution
- Step 1: Write the proportion equation
4,088,720,896.40 : 6,133,081,344.60 = 3,109,168,845.20 : x - Step 2: Convert to fraction form
4,088,720,896.40/6,133,081,344.60 = 3,109,168,845.20/x - Step 3: Cross multiply
4,088,720,896.40x = 6,133,081,344.60 × 3,109,168,845.20 - Step 4: Simplify right side
4,088,720,896.40x = 19,068,785,441,707,646,976 - Step 5: Solve for x
x = 19,068,785,441,707,646,976/4,088,720,896.40 - Step 6: Final answer
x = 4,663,753,267.80
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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.