Finding the Fourth Proportional to 354,297,245.67, 488,930,503.46 and 197,664,376.75
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Solution
The fourth proportional to 354,297,245.67, 488,930,503.46 and 197,664,376.75 is: 272,777,009.75
Step by Step Solution
- Step 1: Write the proportion equation
354,297,245.67 : 488,930,503.46 = 197,664,376.75 : x - Step 2: Convert to fraction form
354,297,245.67/488,930,503.46 = 197,664,376.75/x - Step 3: Cross multiply
354,297,245.67x = 488,930,503.46 × 197,664,376.75 - Step 4: Simplify right side
354,297,245.67x = 96,644,143,238,273,968 - Step 5: Solve for x
x = 96,644,143,238,273,968/354,297,245.67 - Step 6: Final answer
x = 272,777,009.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.