Finding the Fourth Proportional to 492,276,824.98, 679,551,193.66 and 306,729,514.24
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Solution
The fourth proportional to 492,276,824.98, 679,551,193.66 and 306,729,514.24 is: 423,417,063.24
Step by Step Solution
- Step 1: Write the proportion equation
492,276,824.98 : 679,551,193.66 = 306,729,514.24 : x - Step 2: Convert to fraction form
492,276,824.98/679,551,193.66 = 306,729,514.24/x - Step 3: Cross multiply
492,276,824.98x = 679,551,193.66 × 306,729,514.24 - Step 4: Simplify right side
492,276,824.98x = 208,438,407,532,543,968 - Step 5: Solve for x
x = 208,438,407,532,543,968/492,276,824.98 - Step 6: Final answer
x = 423,417,063.24
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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.