Finding the Fourth Proportional to 434,322,648.66, 651,478,286.79 and 106,800,988.98
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Solution
The fourth proportional to 434,322,648.66, 651,478,286.79 and 106,800,988.98 is: 160,200,085.22
Step by Step Solution
- Step 1: Write the proportion equation
434,322,648.66 : 651,478,286.79 = 106,800,988.98 : x - Step 2: Convert to fraction form
434,322,648.66/651,478,286.79 = 106,800,988.98/x - Step 3: Cross multiply
434,322,648.66x = 651,478,286.79 × 106,800,988.98 - Step 4: Simplify right side
434,322,648.66x = 69,578,525,328,168,072 - Step 5: Solve for x
x = 69,578,525,328,168,072/434,322,648.66 - Step 6: Final answer
x = 160,200,085.22
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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.