Finding the Fourth Proportional to 4,088,720,880.40, 6,133,081,320.60 and 3,109,168,829.20
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Solution
The fourth proportional to 4,088,720,880.40, 6,133,081,320.60 and 3,109,168,829.20 is: 4,663,753,243.80
Step by Step Solution
- Step 1: Write the proportion equation
4,088,720,880.40 : 6,133,081,320.60 = 3,109,168,829.20 : x - Step 2: Convert to fraction form
4,088,720,880.40/6,133,081,320.60 = 3,109,168,829.20/x - Step 3: Cross multiply
4,088,720,880.40x = 6,133,081,320.60 × 3,109,168,829.20 - Step 4: Simplify right side
4,088,720,880.40x = 19,068,785,268,958,289,920 - Step 5: Solve for x
x = 19,068,785,268,958,289,920/4,088,720,880.40 - Step 6: Final answer
x = 4,663,753,243.80
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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.