Finding the Fourth Proportional to 311,877,860.40, 467,312,905.80 and 196,656,202.80
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Solution
The fourth proportional to 311,877,860.40, 467,312,905.80 and 196,656,202.80 is: 294,666,577.03
Step by Step Solution
- Step 1: Write the proportion equation
311,877,860.40 : 467,312,905.80 = 196,656,202.80 : x - Step 2: Convert to fraction form
311,877,860.40/467,312,905.80 = 196,656,202.80/x - Step 3: Cross multiply
311,877,860.40x = 467,312,905.80 × 196,656,202.80 - Step 4: Simplify right side
311,877,860.40x = 91,899,981,574,062,112 - Step 5: Solve for x
x = 91,899,981,574,062,112/311,877,860.40 - Step 6: Final answer
x = 294,666,577.03
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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.