Finding the Fourth Proportional to 497,666,229.20, 746,872,591.80 and 255,204,328.40
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Solution
The fourth proportional to 497,666,229.20, 746,872,591.80 and 255,204,328.40 is: 382,997,894.99
Step by Step Solution
- Step 1: Write the proportion equation
497,666,229.20 : 746,872,591.80 = 255,204,328.40 : x - Step 2: Convert to fraction form
497,666,229.20/746,872,591.80 = 255,204,328.40/x - Step 3: Cross multiply
497,666,229.20x = 746,872,591.80 × 255,204,328.40 - Step 4: Simplify right side
497,666,229.20x = 190,605,118,190,686,336 - Step 5: Solve for x
x = 190,605,118,190,686,336/497,666,229.20 - Step 6: Final answer
x = 382,997,894.99
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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.