Finding the Fourth Proportional to 393,625,775.99, 590,210,233.95 and 186,362,446.62
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Solution
The fourth proportional to 393,625,775.99, 590,210,233.95 and 186,362,446.62 is: 279,435,519.55
Step by Step Solution
- Step 1: Write the proportion equation
393,625,775.99 : 590,210,233.95 = 186,362,446.62 : x - Step 2: Convert to fraction form
393,625,775.99/590,210,233.95 = 186,362,446.62/x - Step 3: Cross multiply
393,625,775.99x = 590,210,233.95 × 186,362,446.62 - Step 4: Simplify right side
393,625,775.99x = 109,993,023,219,084,592 - Step 5: Solve for x
x = 109,993,023,219,084,592/393,625,775.99 - Step 6: Final answer
x = 279,435,519.55
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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.