Finding the Fourth Proportional to 667,859,327.09, 921,646,955.62 and 370,501,576.96
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Solution
The fourth proportional to 667,859,327.09, 921,646,955.62 and 370,501,576.96 is: 511,292,777.69
Step by Step Solution
- Step 1: Write the proportion equation
667,859,327.09 : 921,646,955.62 = 370,501,576.96 : x - Step 2: Convert to fraction form
667,859,327.09/921,646,955.62 = 370,501,576.96/x - Step 3: Cross multiply
667,859,327.09x = 921,646,955.62 × 370,501,576.96 - Step 4: Simplify right side
667,859,327.09x = 341,471,650,451,933,504 - Step 5: Solve for x
x = 341,471,650,451,933,504/667,859,327.09 - Step 6: Final answer
x = 511,292,777.69
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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.