Finding the Fourth Proportional to 361,195,193.29, 498,440,889.09 and 212,525,943.67
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Solution
The fourth proportional to 361,195,193.29, 498,440,889.09 and 212,525,943.67 is: 293,280,814.05
Step by Step Solution
- Step 1: Write the proportion equation
361,195,193.29 : 498,440,889.09 = 212,525,943.67 : x - Step 2: Convert to fraction form
361,195,193.29/498,440,889.09 = 212,525,943.67/x - Step 3: Cross multiply
361,195,193.29x = 498,440,889.09 × 212,525,943.67 - Step 4: Simplify right side
361,195,193.29x = 105,931,620,317,566,048 - Step 5: Solve for x
x = 105,931,620,317,566,048/361,195,193.29 - Step 6: Final answer
x = 293,280,814.05
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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.