Finding the Fourth Proportional to 397,451,125.80, 596,176,688.70 and 371,941,957.80
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Solution
The fourth proportional to 397,451,125.80, 596,176,688.70 and 371,941,957.80 is: 557,912,936.70
Step by Step Solution
- Step 1: Write the proportion equation
397,451,125.80 : 596,176,688.70 = 371,941,957.80 : x - Step 2: Convert to fraction form
397,451,125.80/596,176,688.70 = 371,941,957.80/x - Step 3: Cross multiply
397,451,125.80x = 596,176,688.70 × 371,941,957.80 - Step 4: Simplify right side
397,451,125.80x = 221,743,124,789,799,168 - Step 5: Solve for x
x = 221,743,124,789,799,168/397,451,125.80 - Step 6: Final answer
x = 557,912,936.70
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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.