Finding the Fourth Proportional to 368,393,881.14, 508,380,923.82 and 201,130,136.88
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Solution
The fourth proportional to 368,393,881.14, 508,380,923.82 and 201,130,136.88 is: 277,558,151.83
Step by Step Solution
- Step 1: Write the proportion equation
368,393,881.14 : 508,380,923.82 = 201,130,136.88 : x - Step 2: Convert to fraction form
368,393,881.14/508,380,923.82 = 201,130,136.88/x - Step 3: Cross multiply
368,393,881.14x = 508,380,923.82 × 201,130,136.88 - Step 4: Simplify right side
368,393,881.14x = 102,250,724,795,097,456 - Step 5: Solve for x
x = 102,250,724,795,097,456/368,393,881.14 - Step 6: Final answer
x = 277,558,151.83
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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.