Finding the Fourth Proportional to 421,791,642.26, 582,065,965.68 and 236,159,300.96
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Solution
The fourth proportional to 421,791,642.26, 582,065,965.68 and 236,159,300.96 is: 325,896,195.65
Step by Step Solution
- Step 1: Write the proportion equation
421,791,642.26 : 582,065,965.68 = 236,159,300.96 : x - Step 2: Convert to fraction form
421,791,642.26/582,065,965.68 = 236,159,300.96/x - Step 3: Cross multiply
421,791,642.26x = 582,065,965.68 × 236,159,300.96 - Step 4: Simplify right side
421,791,642.26x = 137,460,291,567,596,144 - Step 5: Solve for x
x = 137,460,291,567,596,144/421,791,642.26 - Step 6: Final answer
x = 325,896,195.65
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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.