Finding the Fourth Proportional to 405,760,881.42, 559,902,777.06 and 227,154,549.97
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Solution
The fourth proportional to 405,760,881.42, 559,902,777.06 and 227,154,549.97 is: 313,446,833.28
Step by Step Solution
- Step 1: Write the proportion equation
405,760,881.42 : 559,902,777.06 = 227,154,549.97 : x - Step 2: Convert to fraction form
405,760,881.42/559,902,777.06 = 227,154,549.97/x - Step 3: Cross multiply
405,760,881.42x = 559,902,777.06 × 227,154,549.97 - Step 4: Simplify right side
405,760,881.42x = 127,184,463,350,017,520 - Step 5: Solve for x
x = 127,184,463,350,017,520/405,760,881.42 - Step 6: Final answer
x = 313,446,833.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.