Finding the Fourth Proportional to 836,026,198.48, 1,254,528,302.46 and 311,757,492.99
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Solution
The fourth proportional to 836,026,198.48, 1,254,528,302.46 and 311,757,492.99 is: 467,818,591.30
Step by Step Solution
- Step 1: Write the proportion equation
836,026,198.48 : 1,254,528,302.46 = 311,757,492.99 : x - Step 2: Convert to fraction form
836,026,198.48/1,254,528,302.46 = 311,757,492.99/x - Step 3: Cross multiply
836,026,198.48x = 1,254,528,302.46 × 311,757,492.99 - Step 4: Simplify right side
836,026,198.48x = 391,108,598,459,930,048 - Step 5: Solve for x
x = 391,108,598,459,930,048/836,026,198.48 - Step 6: Final answer
x = 467,818,591.30
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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.