Finding the Fourth Proportional to 275,340,760.68, 379,992,463.74 and 157,877,019.84
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Solution
The fourth proportional to 275,340,760.68, 379,992,463.74 and 157,877,019.84 is: 217,883,024.62
Step by Step Solution
- Step 1: Write the proportion equation
275,340,760.68 : 379,992,463.74 = 157,877,019.84 : x - Step 2: Convert to fraction form
275,340,760.68/379,992,463.74 = 157,877,019.84/x - Step 3: Cross multiply
275,340,760.68x = 379,992,463.74 × 157,877,019.84 - Step 4: Simplify right side
275,340,760.68x = 59,992,077,736,930,464 - Step 5: Solve for x
x = 59,992,077,736,930,464/275,340,760.68 - Step 6: Final answer
x = 217,883,024.62
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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.