Finding the Fourth Proportional to 365,590,602.96, 504,515,032.09 and 208,961,072.98
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Solution
The fourth proportional to 365,590,602.96, 504,515,032.09 and 208,961,072.98 is: 288,366,280.71
Step by Step Solution
- Step 1: Write the proportion equation
365,590,602.96 : 504,515,032.09 = 208,961,072.98 : x - Step 2: Convert to fraction form
365,590,602.96/504,515,032.09 = 208,961,072.98/x - Step 3: Cross multiply
365,590,602.96x = 504,515,032.09 × 208,961,072.98 - Step 4: Simplify right side
365,590,602.96x = 105,424,002,438,122,000 - Step 5: Solve for x
x = 105,424,002,438,122,000/365,590,602.96 - Step 6: Final answer
x = 288,366,280.71
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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.