Finding the Fourth Proportional to 363,190,080, 501,214,408.32 and 198,186,703.68
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Solution
The fourth proportional to 363,190,080, 501,214,408.32 and 198,186,703.68 is: 273,504,252.71
Step by Step Solution
- Step 1: Write the proportion equation
363,190,080 : 501,214,408.32 = 198,186,703.68 : x - Step 2: Convert to fraction form
363,190,080/501,214,408.32 = 198,186,703.68/x - Step 3: Cross multiply
363,190,080x = 501,214,408.32 × 198,186,703.68 - Step 4: Simplify right side
363,190,080x = 99,334,031,421,862,368 - Step 5: Solve for x
x = 99,334,031,421,862,368/363,190,080 - Step 6: Final answer
x = 273,504,252.71
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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.