Finding the Fourth Proportional to 376,186,998.05, 519,214,432.07 and 217,423,864.97
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Solution
The fourth proportional to 376,186,998.05, 519,214,432.07 and 217,423,864.97 is: 300,089,075.79
Step by Step Solution
- Step 1: Write the proportion equation
376,186,998.05 : 519,214,432.07 = 217,423,864.97 : x - Step 2: Convert to fraction form
376,186,998.05/519,214,432.07 = 217,423,864.97/x - Step 3: Cross multiply
376,186,998.05x = 519,214,432.07 × 217,423,864.97 - Step 4: Simplify right side
376,186,998.05x = 112,889,608,567,775,792 - Step 5: Solve for x
x = 112,889,608,567,775,792/376,186,998.05 - Step 6: Final answer
x = 300,089,075.79
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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.