Finding the Fourth Proportional to 368,393,880.66, 508,380,923.18 and 201,130,136.42
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Solution
The fourth proportional to 368,393,880.66, 508,380,923.18 and 201,130,136.42 is: 277,558,151.20
Step by Step Solution
- Step 1: Write the proportion equation
368,393,880.66 : 508,380,923.18 = 201,130,136.42 : x - Step 2: Convert to fraction form
368,393,880.66/508,380,923.18 = 201,130,136.42/x - Step 3: Cross multiply
368,393,880.66x = 508,380,923.18 × 201,130,136.42 - Step 4: Simplify right side
368,393,880.66x = 102,250,724,428,971,376 - Step 5: Solve for x
x = 102,250,724,428,971,376/368,393,880.66 - Step 6: Final answer
x = 277,558,151.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.