Finding the Fourth Proportional to 438,328,116.94, 604,952,981.02 and 268,752,357.26
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Solution
The fourth proportional to 438,328,116.94, 604,952,981.02 and 268,752,357.26 is: 370,915,151.00
Step by Step Solution
- Step 1: Write the proportion equation
438,328,116.94 : 604,952,981.02 = 268,752,357.26 : x - Step 2: Convert to fraction form
438,328,116.94/604,952,981.02 = 268,752,357.26/x - Step 3: Cross multiply
438,328,116.94x = 604,952,981.02 × 268,752,357.26 - Step 4: Simplify right side
438,328,116.94x = 162,582,539,680,589,024 - Step 5: Solve for x
x = 162,582,539,680,589,024/438,328,116.94 - Step 6: Final answer
x = 370,915,151.00
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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.