Finding the Fourth Proportional to 289,385,440.70, 434,582,045.85 and 153,336,544.70
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Solution
The fourth proportional to 289,385,440.70, 434,582,045.85 and 153,336,544.70 is: 230,271,810.28
Step by Step Solution
- Step 1: Write the proportion equation
289,385,440.70 : 434,582,045.85 = 153,336,544.70 : x - Step 2: Convert to fraction form
289,385,440.70/434,582,045.85 = 153,336,544.70/x - Step 3: Cross multiply
289,385,440.70x = 434,582,045.85 × 153,336,544.70 - Step 4: Simplify right side
289,385,440.70x = 66,637,309,299,295,976 - Step 5: Solve for x
x = 66,637,309,299,295,976/289,385,440.70 - Step 6: Final answer
x = 230,271,810.28
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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.