Finding the Fourth Proportional to 331,361,865.44, 497,114,546.35 and 126,889,947.98
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Solution
The fourth proportional to 331,361,865.44, 497,114,546.35 and 126,889,947.98 is: 190,362,396.84
Step by Step Solution
- Step 1: Write the proportion equation
331,361,865.44 : 497,114,546.35 = 126,889,947.98 : x - Step 2: Convert to fraction form
331,361,865.44/497,114,546.35 = 126,889,947.98/x - Step 3: Cross multiply
331,361,865.44x = 497,114,546.35 × 126,889,947.98 - Step 4: Simplify right side
331,361,865.44x = 63,078,838,926,452,800 - Step 5: Solve for x
x = 63,078,838,926,452,800/331,361,865.44 - Step 6: Final answer
x = 190,362,396.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.