Finding the Fourth Proportional to 309,115,322.19, 426,584,123.60 and 176,955,786.99
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Solution
The fourth proportional to 309,115,322.19, 426,584,123.60 and 176,955,786.99 is: 244,201,836.30
Step by Step Solution
- Step 1: Write the proportion equation
309,115,322.19 : 426,584,123.60 = 176,955,786.99 : x - Step 2: Convert to fraction form
309,115,322.19/426,584,123.60 = 176,955,786.99/x - Step 3: Cross multiply
309,115,322.19x = 426,584,123.60 × 176,955,786.99 - Step 4: Simplify right side
309,115,322.19x = 75,486,529,308,192,656 - Step 5: Solve for x
x = 75,486,529,308,192,656/309,115,322.19 - Step 6: Final answer
x = 244,201,836.30
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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.