Finding the Fourth Proportional to 357,958,434.79, 493,702,792.43 and 232,551,036.73
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Solution
The fourth proportional to 357,958,434.79, 493,702,792.43 and 232,551,036.73 is: 320,738,625.09
Step by Step Solution
- Step 1: Write the proportion equation
357,958,434.79 : 493,702,792.43 = 232,551,036.73 : x - Step 2: Convert to fraction form
357,958,434.79/493,702,792.43 = 232,551,036.73/x - Step 3: Cross multiply
357,958,434.79x = 493,702,792.43 × 232,551,036.73 - Step 4: Simplify right side
357,958,434.79x = 114,811,096,213,042,608 - Step 5: Solve for x
x = 114,811,096,213,042,608/357,958,434.79 - Step 6: Final answer
x = 320,738,625.09
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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.