Finding the Fourth Proportional to 497,664,564.80, 746,496,847.20 and 374,044,827.20
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Solution
The fourth proportional to 497,664,564.80, 746,496,847.20 and 374,044,827.20 is: 561,067,240.80
Step by Step Solution
- Step 1: Write the proportion equation
497,664,564.80 : 746,496,847.20 = 374,044,827.20 : x - Step 2: Convert to fraction form
497,664,564.80/746,496,847.20 = 374,044,827.20/x - Step 3: Cross multiply
497,664,564.80x = 746,496,847.20 × 374,044,827.20 - Step 4: Simplify right side
497,664,564.80x = 279,223,284,216,268,800 - Step 5: Solve for x
x = 279,223,284,216,268,800/497,664,564.80 - Step 6: Final answer
x = 561,067,240.80
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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.