Finding the Fourth Proportional to 340,296,336.62, 469,623,382.18 and 189,588,858.54
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Solution
The fourth proportional to 340,296,336.62, 469,623,382.18 and 189,588,858.54 is: 261,640,668.41
Step by Step Solution
- Step 1: Write the proportion equation
340,296,336.62 : 469,623,382.18 = 189,588,858.54 : x - Step 2: Convert to fraction form
340,296,336.62/469,623,382.18 = 189,588,858.54/x - Step 3: Cross multiply
340,296,336.62x = 469,623,382.18 × 189,588,858.54 - Step 4: Simplify right side
340,296,336.62x = 89,035,360,971,200,368 - Step 5: Solve for x
x = 89,035,360,971,200,368/340,296,336.62 - Step 6: Final answer
x = 261,640,668.41
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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.