Finding the Fourth Proportional to 379,129,727.57, 568,958,588.87 and 133,506,146.70
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Solution
The fourth proportional to 379,129,727.57, 568,958,588.87 and 133,506,146.70 is: 200,352,183.72
Step by Step Solution
- Step 1: Write the proportion equation
379,129,727.57 : 568,958,588.87 = 133,506,146.70 : x - Step 2: Convert to fraction form
379,129,727.57/568,958,588.87 = 133,506,146.70/x - Step 3: Cross multiply
379,129,727.57x = 568,958,588.87 × 133,506,146.70 - Step 4: Simplify right side
379,129,727.57x = 75,959,468,831,235,680 - Step 5: Solve for x
x = 75,959,468,831,235,680/379,129,727.57 - Step 6: Final answer
x = 200,352,183.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.