Finding the Fourth Proportional to 684,727,480.38, 1,026,452,243.76 and 270,207,734.28
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Solution
The fourth proportional to 684,727,480.38, 1,026,452,243.76 and 270,207,734.28 is: 405,059,447.85
Step by Step Solution
- Step 1: Write the proportion equation
684,727,480.38 : 1,026,452,243.76 = 270,207,734.28 : x - Step 2: Convert to fraction form
684,727,480.38/1,026,452,243.76 = 270,207,734.28/x - Step 3: Cross multiply
684,727,480.38x = 1,026,452,243.76 × 270,207,734.28 - Step 4: Simplify right side
684,727,480.38x = 277,355,335,133,011,840 - Step 5: Solve for x
x = 277,355,335,133,011,840/684,727,480.38 - Step 6: Final answer
x = 405,059,447.85
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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.