Finding the Fourth Proportional to 497,664,318.40, 746,496,477.60 and 255,351,716.80
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Solution
The fourth proportional to 497,664,318.40, 746,496,477.60 and 255,351,716.80 is: 383,027,575.20
Step by Step Solution
- Step 1: Write the proportion equation
497,664,318.40 : 746,496,477.60 = 255,351,716.80 : x - Step 2: Convert to fraction form
497,664,318.40/746,496,477.60 = 255,351,716.80/x - Step 3: Cross multiply
497,664,318.40x = 746,496,477.60 × 255,351,716.80 - Step 4: Simplify right side
497,664,318.40x = 190,619,157,140,312,768 - Step 5: Solve for x
x = 190,619,157,140,312,768/497,664,318.40 - Step 6: Final answer
x = 383,027,575.20
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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.