Finding the Fourth Proportional to 221,424,455.70, 332,136,683.55 and 221,424,455.70
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Solution
The fourth proportional to 221,424,455.70, 332,136,683.55 and 221,424,455.70 is: 332,136,683.55
Step by Step Solution
- Step 1: Write the proportion equation
221,424,455.70 : 332,136,683.55 = 221,424,455.70 : x - Step 2: Convert to fraction form
221,424,455.70/332,136,683.55 = 221,424,455.70/x - Step 3: Cross multiply
221,424,455.70x = 332,136,683.55 × 221,424,455.70 - Step 4: Simplify right side
221,424,455.70x = 73,543,184,373,061,888 - Step 5: Solve for x
x = 73,543,184,373,061,888/221,424,455.70 - Step 6: Final answer
x = 332,136,683.55
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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.