Finding the Fourth Proportional to 416,047,629.80, 624,071,444.70 and 201,056,781.80
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Solution
The fourth proportional to 416,047,629.80, 624,071,444.70 and 201,056,781.80 is: 301,585,172.70
Step by Step Solution
- Step 1: Write the proportion equation
416,047,629.80 : 624,071,444.70 = 201,056,781.80 : x - Step 2: Convert to fraction form
416,047,629.80/624,071,444.70 = 201,056,781.80/x - Step 3: Cross multiply
416,047,629.80x = 624,071,444.70 × 201,056,781.80 - Step 4: Simplify right side
416,047,629.80x = 125,473,796,284,658,688 - Step 5: Solve for x
x = 125,473,796,284,658,688/416,047,629.80 - Step 6: Final answer
x = 301,585,172.70
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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.