Finding the Fourth Proportional to 343,725,879.68, 474,351,794.88 and 187,103,202.56
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Solution
The fourth proportional to 343,725,879.68, 474,351,794.88 and 187,103,202.56 is: 258,207,906.97
Step by Step Solution
- Step 1: Write the proportion equation
343,725,879.68 : 474,351,794.88 = 187,103,202.56 : x - Step 2: Convert to fraction form
343,725,879.68/474,351,794.88 = 187,103,202.56/x - Step 3: Cross multiply
343,725,879.68x = 474,351,794.88 × 187,103,202.56 - Step 4: Simplify right side
343,725,879.68x = 88,752,739,962,132,208 - Step 5: Solve for x
x = 88,752,739,962,132,208/343,725,879.68 - Step 6: Final answer
x = 258,207,906.97
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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.