Finding the Fourth Proportional to 293,598,943.20, 405,178,215.84 and 161,450,773.92
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Solution
The fourth proportional to 293,598,943.20, 405,178,215.84 and 161,450,773.92 is: 222,808,487.69
Step by Step Solution
- Step 1: Write the proportion equation
293,598,943.20 : 405,178,215.84 = 161,450,773.92 : x - Step 2: Convert to fraction form
293,598,943.20/405,178,215.84 = 161,450,773.92/x - Step 3: Cross multiply
293,598,943.20x = 405,178,215.84 × 161,450,773.92 - Step 4: Simplify right side
293,598,943.20x = 65,416,336,522,892,792 - Step 5: Solve for x
x = 65,416,336,522,892,792/293,598,943.20 - Step 6: Final answer
x = 222,808,487.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.