Finding the Fourth Proportional to 822,086,623.68, 1,134,512,251.20 and 450,821,970.24
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Solution
The fourth proportional to 822,086,623.68, 1,134,512,251.20 and 450,821,970.24 is: 622,152,256.97
Step by Step Solution
- Step 1: Write the proportion equation
822,086,623.68 : 1,134,512,251.20 = 450,821,970.24 : x - Step 2: Convert to fraction form
822,086,623.68/1,134,512,251.20 = 450,821,970.24/x - Step 3: Cross multiply
822,086,623.68x = 1,134,512,251.20 × 450,821,970.24 - Step 4: Simplify right side
822,086,623.68x = 511,463,048,347,401,856 - Step 5: Solve for x
x = 511,463,048,347,401,856/822,086,623.68 - Step 6: Final answer
x = 622,152,256.97
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.