Finding the Fourth Proportional to 404,580,339.92, 558,320,850.12 and 218,941,334.48
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Solution
The fourth proportional to 404,580,339.92, 558,320,850.12 and 218,941,334.48 is: 302,139,031.32
Step by Step Solution
- Step 1: Write the proportion equation
404,580,339.92 : 558,320,850.12 = 218,941,334.48 : x - Step 2: Convert to fraction form
404,580,339.92/558,320,850.12 = 218,941,334.48/x - Step 3: Cross multiply
404,580,339.92x = 558,320,850.12 × 218,941,334.48 - Step 4: Simplify right side
404,580,339.92x = 122,239,511,993,280,864 - Step 5: Solve for x
x = 122,239,511,993,280,864/404,580,339.92 - Step 6: Final answer
x = 302,139,031.32
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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.