Finding the Fourth Proportional to 295,246,163.70, 442,869,245.55 and 218,718,659.70
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Solution
The fourth proportional to 295,246,163.70, 442,869,245.55 and 218,718,659.70 is: 328,077,989.55
Step by Step Solution
- Step 1: Write the proportion equation
295,246,163.70 : 442,869,245.55 = 218,718,659.70 : x - Step 2: Convert to fraction form
295,246,163.70/442,869,245.55 = 218,718,659.70/x - Step 3: Cross multiply
295,246,163.70x = 442,869,245.55 × 218,718,659.70 - Step 4: Simplify right side
295,246,163.70x = 96,863,767,809,046,192 - Step 5: Solve for x
x = 96,863,767,809,046,192/295,246,163.70 - Step 6: Final answer
x = 328,077,989.55
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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.