Finding the Fourth Proportional to 807,603,634.44, 1,211,405,386.05 and 255,293,974.26
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Solution
The fourth proportional to 807,603,634.44, 1,211,405,386.05 and 255,293,974.26 is: 382,940,940.65
Step by Step Solution
- Step 1: Write the proportion equation
807,603,634.44 : 1,211,405,386.05 = 255,293,974.26 : x - Step 2: Convert to fraction form
807,603,634.44/1,211,405,386.05 = 255,293,974.26/x - Step 3: Cross multiply
807,603,634.44x = 1,211,405,386.05 × 255,293,974.26 - Step 4: Simplify right side
807,603,634.44x = 309,264,495,444,674,048 - Step 5: Solve for x
x = 309,264,495,444,674,048/807,603,634.44 - Step 6: Final answer
x = 382,940,940.65
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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.