Finding the Fourth Proportional to 21,347,999,717.48, 32,015,552,532.58 and 6,421,202,777.63
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Solution
The fourth proportional to 21,347,999,717.48, 32,015,552,532.58 and 6,421,202,777.63 is: 9,629,864,978.92
Step by Step Solution
- Step 1: Write the proportion equation
21,347,999,717.48 : 32,015,552,532.58 = 6,421,202,777.63 : x - Step 2: Convert to fraction form
21,347,999,717.48/32,015,552,532.58 = 6,421,202,777.63/x - Step 3: Cross multiply
21,347,999,717.48x = 32,015,552,532.58 × 6,421,202,777.63 - Step 4: Simplify right side
21,347,999,717.48x = 205,578,354,849,382,531,072 - Step 5: Solve for x
x = 205,578,354,849,382,531,072/21,347,999,717.48 - Step 6: Final answer
x = 9,629,864,978.92
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1.5x scale
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.