Finding the Fourth Proportional to 382,902,638.40, 574,365,641.08 and 149,724,037.44
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Solution
The fourth proportional to 382,902,638.40, 574,365,641.08 and 149,724,037.44 is: 224,590,624.68
Step by Step Solution
- Step 1: Write the proportion equation
382,902,638.40 : 574,365,641.08 = 149,724,037.44 : x - Step 2: Convert to fraction form
382,902,638.40/574,365,641.08 = 149,724,037.44/x - Step 3: Cross multiply
382,902,638.40x = 574,365,641.08 × 149,724,037.44 - Step 4: Simplify right side
382,902,638.40x = 85,996,342,749,311,520 - Step 5: Solve for x
x = 85,996,342,749,311,520/382,902,638.40 - Step 6: Final answer
x = 224,590,624.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.