Finding the Fourth Proportional to 591,288,951.92, 815,984,040.68 and 326,988,727.99
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Solution
The fourth proportional to 591,288,951.92, 815,984,040.68 and 326,988,727.99 is: 451,247,368.41
Step by Step Solution
- Step 1: Write the proportion equation
591,288,951.92 : 815,984,040.68 = 326,988,727.99 : x - Step 2: Convert to fraction form
591,288,951.92/815,984,040.68 = 326,988,727.99/x - Step 3: Cross multiply
591,288,951.92x = 815,984,040.68 × 326,988,727.99 - Step 4: Simplify right side
591,288,951.92x = 266,817,583,519,644,928 - Step 5: Solve for x
x = 266,817,583,519,644,928/591,288,951.92 - Step 6: Final answer
x = 451,247,368.41
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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.