Finding the Fourth Proportional to 393,369,987,888.18, 590,111,268,290.44 and 121,117,272,438.60
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Solution
The fourth proportional to 393,369,987,888.18, 590,111,268,290.44 and 121,117,272,438.60 is: 181,693,239,065.66
Step by Step Solution
- Step 1: Write the proportion equation
393,369,987,888.18 : 590,111,268,290.44 = 121,117,272,438.60 : x - Step 2: Convert to fraction form
393,369,987,888.18/590,111,268,290.44 = 121,117,272,438.60/x - Step 3: Cross multiply
393,369,987,888.18x = 590,111,268,290.44 × 121,117,272,438.60 - Step 4: Simplify right side
393,369,987,888.18x = 71,472,667,250,620,998,090,752 - Step 5: Solve for x
x = 71,472,667,250,620,998,090,752/393,369,987,888.18 - Step 6: Final answer
x = 181,693,239,065.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.