Finding the Fourth Proportional to 492,163,823.76, 738,407,355.48 and 201,275,589.84
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Solution
The fourth proportional to 492,163,823.76, 738,407,355.48 and 201,275,589.84 is: 301,979,480.90
Step by Step Solution
- Step 1: Write the proportion equation
492,163,823.76 : 738,407,355.48 = 201,275,589.84 : x - Step 2: Convert to fraction form
492,163,823.76/738,407,355.48 = 201,275,589.84/x - Step 3: Cross multiply
492,163,823.76x = 738,407,355.48 × 201,275,589.84 - Step 4: Simplify right side
492,163,823.76x = 148,623,376,016,431,552 - Step 5: Solve for x
x = 148,623,376,016,431,552/492,163,823.76 - Step 6: Final answer
x = 301,979,480.90
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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.