Finding the Fourth Proportional to 482,650,710.48, 724,198,721.49 and 220,415,651.49
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Solution
The fourth proportional to 482,650,710.48, 724,198,721.49 and 220,415,651.49 is: 330,725,159.08
Step by Step Solution
- Step 1: Write the proportion equation
482,650,710.48 : 724,198,721.49 = 220,415,651.49 : x - Step 2: Convert to fraction form
482,650,710.48/724,198,721.49 = 220,415,651.49/x - Step 3: Cross multiply
482,650,710.48x = 724,198,721.49 × 220,415,651.49 - Step 4: Simplify right side
482,650,710.48x = 159,624,733,005,443,424 - Step 5: Solve for x
x = 159,624,733,005,443,424/482,650,710.48 - Step 6: Final answer
x = 330,725,159.08
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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.