Finding the Fourth Proportional to 351,362,762.54, 484,880,658.26 and 194,739,981.15
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Solution
The fourth proportional to 351,362,762.54, 484,880,658.26 and 194,739,981.15 is: 268,741,199.46
Step by Step Solution
- Step 1: Write the proportion equation
351,362,762.54 : 484,880,658.26 = 194,739,981.15 : x - Step 2: Convert to fraction form
351,362,762.54/484,880,658.26 = 194,739,981.15/x - Step 3: Cross multiply
351,362,762.54x = 484,880,658.26 × 194,739,981.15 - Step 4: Simplify right side
351,362,762.54x = 94,425,650,249,552,000 - Step 5: Solve for x
x = 94,425,650,249,552,000/351,362,762.54 - Step 6: Final answer
x = 268,741,199.46
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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.