Finding the Fourth Proportional to 391,203,035.40, 586,804,553.10 and 350,388,366.60
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Solution
The fourth proportional to 391,203,035.40, 586,804,553.10 and 350,388,366.60 is: 525,582,549.90
Step by Step Solution
- Step 1: Write the proportion equation
391,203,035.40 : 586,804,553.10 = 350,388,366.60 : x - Step 2: Convert to fraction form
391,203,035.40/586,804,553.10 = 350,388,366.60/x - Step 3: Cross multiply
391,203,035.40x = 586,804,553.10 × 350,388,366.60 - Step 4: Simplify right side
391,203,035.40x = 205,609,488,874,152,000 - Step 5: Solve for x
x = 205,609,488,874,152,000/391,203,035.40 - Step 6: Final answer
x = 525,582,549.90
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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.