Finding the Fourth Proportional to 327,818,649.60, 491,752,857.60 and 97,769,779.20
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Solution
The fourth proportional to 327,818,649.60, 491,752,857.60 and 97,769,779.20 is: 146,662,090.05
Step by Step Solution
- Step 1: Write the proportion equation
327,818,649.60 : 491,752,857.60 = 97,769,779.20 : x - Step 2: Convert to fraction form
327,818,649.60/491,752,857.60 = 97,769,779.20/x - Step 3: Cross multiply
327,818,649.60x = 491,752,857.60 × 97,769,779.20 - Step 4: Simplify right side
327,818,649.60x = 48,078,568,308,521,048 - Step 5: Solve for x
x = 48,078,568,308,521,048/327,818,649.60 - Step 6: Final answer
x = 146,662,090.05
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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.