Finding the Fourth Proportional to 5,320,151,670,648, 7,342,356,514,915.20 and 3,236,921,239,197.20
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Solution
The fourth proportional to 5,320,151,670,648, 7,342,356,514,915.20 and 3,236,921,239,197.20 is: 4,467,284,246,802.71
Step by Step Solution
- Step 1: Write the proportion equation
5,320,151,670,648 : 7,342,356,514,915.20 = 3,236,921,239,197.20 : x - Step 2: Convert to fraction form
5,320,151,670,648/7,342,356,514,915.20 = 3,236,921,239,197.20/x - Step 3: Cross multiply
5,320,151,670,648x = 7,342,356,514,915.20 × 3,236,921,239,197.20 - Step 4: Simplify right side
5,320,151,670,648x = 23,766,629,748,886,947,951,017,984 - Step 5: Solve for x
x = 23,766,629,748,886,947,951,017,984/5,320,151,670,648 - Step 6: Final answer
x = 4,467,284,246,802.71
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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.