Finding the Fourth Proportional to 15,990,039,362,758, 22,066,254,320,608 and 9,146,643,845,062.50
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Solution
The fourth proportional to 15,990,039,362,758, 22,066,254,320,608 and 9,146,643,845,062.50 is: 12,622,368,506,187.37
Step by Step Solution
- Step 1: Write the proportion equation
15,990,039,362,758 : 22,066,254,320,608 = 9,146,643,845,062.50 : x - Step 2: Convert to fraction form
15,990,039,362,758/22,066,254,320,608 = 9,146,643,845,062.50/x - Step 3: Cross multiply
15,990,039,362,758x = 22,066,254,320,608 × 9,146,643,845,062.50 - Step 4: Simplify right side
15,990,039,362,758x = 201,832,169,265,172,962,569,355,264 - Step 5: Solve for x
x = 201,832,169,265,172,962,569,355,264/15,990,039,362,758 - Step 6: Final answer
x = 12,622,368,506,187.37
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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.