Finding the Fourth Proportional to 358,717,252.12, 494,927,393.34 and 202,029,556.12
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Solution
The fourth proportional to 358,717,252.12, 494,927,393.34 and 202,029,556.12 is: 278,743,107.55
Step by Step Solution
- Step 1: Write the proportion equation
358,717,252.12 : 494,927,393.34 = 202,029,556.12 : x - Step 2: Convert to fraction form
358,717,252.12/494,927,393.34 = 202,029,556.12/x - Step 3: Cross multiply
358,717,252.12x = 494,927,393.34 × 202,029,556.12 - Step 4: Simplify right side
358,717,252.12x = 99,989,961,588,108,848 - Step 5: Solve for x
x = 99,989,961,588,108,848/358,717,252.12 - Step 6: Final answer
x = 278,743,107.55
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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.