Finding the Fourth Proportional to 376,186,999.05, 519,214,433.45 and 217,423,865.97
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Solution
The fourth proportional to 376,186,999.05, 519,214,433.45 and 217,423,865.97 is: 300,089,077.17
Step by Step Solution
- Step 1: Write the proportion equation
376,186,999.05 : 519,214,433.45 = 217,423,865.97 : x - Step 2: Convert to fraction form
376,186,999.05/519,214,433.45 = 217,423,865.97/x - Step 3: Cross multiply
376,186,999.05x = 519,214,433.45 × 217,423,865.97 - Step 4: Simplify right side
376,186,999.05x = 112,889,609,388,122,288 - Step 5: Solve for x
x = 112,889,609,388,122,288/376,186,999.05 - Step 6: Final answer
x = 300,089,077.17
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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.