Finding the Fourth Proportional to 422,891,350.88, 634,959,720.30 and 236,510,456.18
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Solution
The fourth proportional to 422,891,350.88, 634,959,720.30 and 236,510,456.18 is: 355,113,938.35
Step by Step Solution
- Step 1: Write the proportion equation
422,891,350.88 : 634,959,720.30 = 236,510,456.18 : x - Step 2: Convert to fraction form
422,891,350.88/634,959,720.30 = 236,510,456.18/x - Step 3: Cross multiply
422,891,350.88x = 634,959,720.30 × 236,510,456.18 - Step 4: Simplify right side
422,891,350.88x = 150,174,613,104,078,208 - Step 5: Solve for x
x = 150,174,613,104,078,208/422,891,350.88 - Step 6: Final answer
x = 355,113,938.35
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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.