Finding the Fourth Proportional to 336,880,270.10, 505,320,405.15 and 205,933,207.70
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Solution
The fourth proportional to 336,880,270.10, 505,320,405.15 and 205,933,207.70 is: 308,899,811.55
Step by Step Solution
- Step 1: Write the proportion equation
336,880,270.10 : 505,320,405.15 = 205,933,207.70 : x - Step 2: Convert to fraction form
336,880,270.10/505,320,405.15 = 205,933,207.70/x - Step 3: Cross multiply
336,880,270.10x = 505,320,405.15 × 205,933,207.70 - Step 4: Simplify right side
336,880,270.10x = 104,062,251,948,803,088 - Step 5: Solve for x
x = 104,062,251,948,803,088/336,880,270.10 - Step 6: Final answer
x = 308,899,811.55
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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.