Finding the Fourth Proportional to 393,625,777.49, 590,210,236.20 and 186,362,448.12
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Solution
The fourth proportional to 393,625,777.49, 590,210,236.20 and 186,362,448.12 is: 279,435,521.79
Step by Step Solution
- Step 1: Write the proportion equation
393,625,777.49 : 590,210,236.20 = 186,362,448.12 : x - Step 2: Convert to fraction form
393,625,777.49/590,210,236.20 = 186,362,448.12/x - Step 3: Cross multiply
393,625,777.49x = 590,210,236.20 × 186,362,448.12 - Step 4: Simplify right side
393,625,777.49x = 109,993,024,523,715,456 - Step 5: Solve for x
x = 109,993,024,523,715,456/393,625,777.49 - Step 6: Final answer
x = 279,435,521.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.