Finding the Fourth Proportional to 497,991,423.60, 746,987,135.40 and 325,998,745.20
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Solution
The fourth proportional to 497,991,423.60, 746,987,135.40 and 325,998,745.20 is: 488,998,117.80
Step by Step Solution
- Step 1: Write the proportion equation
497,991,423.60 : 746,987,135.40 = 325,998,745.20 : x - Step 2: Convert to fraction form
497,991,423.60/746,987,135.40 = 325,998,745.20/x - Step 3: Cross multiply
497,991,423.60x = 746,987,135.40 × 325,998,745.20 - Step 4: Simplify right side
497,991,423.60x = 243,516,868,820,942,496 - Step 5: Solve for x
x = 243,516,868,820,942,496/497,991,423.60 - Step 6: Final answer
x = 488,998,117.80
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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.