Finding the Fourth Proportional to 284,236,390.40, 425,787,715.20 and 162,926,124.80
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Solution
The fourth proportional to 284,236,390.40, 425,787,715.20 and 162,926,124.80 is: 244,064,253.45
Step by Step Solution
- Step 1: Write the proportion equation
284,236,390.40 : 425,787,715.20 = 162,926,124.80 : x - Step 2: Convert to fraction form
284,236,390.40/425,787,715.20 = 162,926,124.80/x - Step 3: Cross multiply
284,236,390.40x = 425,787,715.20 × 162,926,124.80 - Step 4: Simplify right side
284,236,390.40x = 69,371,942,424,982,064 - Step 5: Solve for x
x = 69,371,942,424,982,064/284,236,390.40 - Step 6: Final answer
x = 244,064,253.45
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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.