Finding the Fourth Proportional to 15,990,039,362,704, 22,066,254,320,534 and 9,146,643,845,009
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Solution
The fourth proportional to 15,990,039,362,704, 22,066,254,320,534 and 9,146,643,845,009 is: 12,622,368,506,113.84
Step by Step Solution
- Step 1: Write the proportion equation
15,990,039,362,704 : 22,066,254,320,534 = 9,146,643,845,009 : x - Step 2: Convert to fraction form
15,990,039,362,704/22,066,254,320,534 = 9,146,643,845,009/x - Step 3: Cross multiply
15,990,039,362,704x = 22,066,254,320,534 × 9,146,643,845,009 - Step 4: Simplify right side
15,990,039,362,704x = 201,832,169,263,315,578,192,396,288 - Step 5: Solve for x
x = 201,832,169,263,315,578,192,396,288/15,990,039,362,704 - Step 6: Final answer
x = 12,622,368,506,113.84
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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.