Finding the Fourth Proportional to 209,952,490.70, 314,928,736.05 and 202,299,740.30
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Solution
The fourth proportional to 209,952,490.70, 314,928,736.05 and 202,299,740.30 is: 303,449,610.45
Step by Step Solution
- Step 1: Write the proportion equation
209,952,490.70 : 314,928,736.05 = 202,299,740.30 : x - Step 2: Convert to fraction form
209,952,490.70/314,928,736.05 = 202,299,740.30/x - Step 3: Cross multiply
209,952,490.70x = 314,928,736.05 × 202,299,740.30 - Step 4: Simplify right side
209,952,490.70x = 63,710,001,515,922,256 - Step 5: Solve for x
x = 63,710,001,515,922,256/209,952,490.70 - Step 6: Final answer
x = 303,449,610.45
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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.