Finding the Fourth Proportional to 497,666,515.20, 746,499,772.80 and 376,734,163.20
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Solution
The fourth proportional to 497,666,515.20, 746,499,772.80 and 376,734,163.20 is: 565,101,244.80
Step by Step Solution
- Step 1: Write the proportion equation
497,666,515.20 : 746,499,772.80 = 376,734,163.20 : x - Step 2: Convert to fraction form
497,666,515.20/746,499,772.80 = 376,734,163.20/x - Step 3: Cross multiply
497,666,515.20x = 746,499,772.80 × 376,734,163.20 - Step 4: Simplify right side
497,666,515.20x = 281,231,967,234,798,080 - Step 5: Solve for x
x = 281,231,967,234,798,080/497,666,515.20 - Step 6: Final answer
x = 565,101,244.80
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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.