Finding the Fourth Proportional to 324,133,946.46, 486,242,772.66 and 149,214,792.42
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Solution
The fourth proportional to 324,133,946.46, 486,242,772.66 and 149,214,792.42 is: 223,841,455.61
Step by Step Solution
- Step 1: Write the proportion equation
324,133,946.46 : 486,242,772.66 = 149,214,792.42 : x - Step 2: Convert to fraction form
324,133,946.46/486,242,772.66 = 149,214,792.42/x - Step 3: Cross multiply
324,133,946.46x = 486,242,772.66 × 149,214,792.42 - Step 4: Simplify right side
324,133,946.46x = 72,554,614,388,187,152 - Step 5: Solve for x
x = 72,554,614,388,187,152/324,133,946.46 - Step 6: Final answer
x = 223,841,455.61
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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.