Finding the Fourth Proportional to 482,650,716.48, 724,198,730.49 and 220,415,657.49
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Solution
The fourth proportional to 482,650,716.48, 724,198,730.49 and 220,415,657.49 is: 330,725,168.09
Step by Step Solution
- Step 1: Write the proportion equation
482,650,716.48 : 724,198,730.49 = 220,415,657.49 : x - Step 2: Convert to fraction form
482,650,716.48/724,198,730.49 = 220,415,657.49/x - Step 3: Cross multiply
482,650,716.48x = 724,198,730.49 × 220,415,657.49 - Step 4: Simplify right side
482,650,716.48x = 159,624,739,334,376,672 - Step 5: Solve for x
x = 159,624,739,334,376,672/482,650,716.48 - Step 6: Final answer
x = 330,725,168.09
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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.