Finding the Fourth Proportional to 325,724,648.10, 488,586,972.15 and 274,706,312.10
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Solution
The fourth proportional to 325,724,648.10, 488,586,972.15 and 274,706,312.10 is: 412,059,468.15
Step by Step Solution
- Step 1: Write the proportion equation
325,724,648.10 : 488,586,972.15 = 274,706,312.10 : x - Step 2: Convert to fraction form
325,724,648.10/488,586,972.15 = 274,706,312.10/x - Step 3: Cross multiply
325,724,648.10x = 488,586,972.15 × 274,706,312.10 - Step 4: Simplify right side
325,724,648.10x = 134,217,925,259,431,920 - Step 5: Solve for x
x = 134,217,925,259,431,920/325,724,648.10 - Step 6: Final answer
x = 412,059,468.15
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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.