Finding the Fourth Proportional to 453,448,630.48, 625,738,979.64 and 252,515,868.70
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Solution
The fourth proportional to 453,448,630.48, 625,738,979.64 and 252,515,868.70 is: 348,460,688.60
Step by Step Solution
- Step 1: Write the proportion equation
453,448,630.48 : 625,738,979.64 = 252,515,868.70 : x - Step 2: Convert to fraction form
453,448,630.48/625,738,979.64 = 252,515,868.70/x - Step 3: Cross multiply
453,448,630.48x = 625,738,979.64 × 252,515,868.70 - Step 4: Simplify right side
453,448,630.48x = 158,009,022,023,246,208 - Step 5: Solve for x
x = 158,009,022,023,246,208/453,448,630.48 - Step 6: Final answer
x = 348,460,688.60
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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.