Finding the Fourth Proportional to 804,193,598.16, 1,205,599,532.99 and 279,494,536.19
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Solution
The fourth proportional to 804,193,598.16, 1,205,599,532.99 and 279,494,536.19 is: 419,001,696.94
Step by Step Solution
- Step 1: Write the proportion equation
804,193,598.16 : 1,205,599,532.99 = 279,494,536.19 : x - Step 2: Convert to fraction form
804,193,598.16/1,205,599,532.99 = 279,494,536.19/x - Step 3: Cross multiply
804,193,598.16x = 1,205,599,532.99 × 279,494,536.19 - Step 4: Simplify right side
804,193,598.16x = 336,958,482,297,193,920 - Step 5: Solve for x
x = 336,958,482,297,193,920/804,193,598.16 - Step 6: Final answer
x = 419,001,696.94
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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.