Finding the Fourth Proportional to 1,922,128,288.08, 2,652,640,029.59 and 1,075,305,093.75
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Solution
The fourth proportional to 1,922,128,288.08, 2,652,640,029.59 and 1,075,305,093.75 is: 1,483,978,646.68
Step by Step Solution
- Step 1: Write the proportion equation
1,922,128,288.08 : 2,652,640,029.59 = 1,075,305,093.75 : x - Step 2: Convert to fraction form
1,922,128,288.08/2,652,640,029.59 = 1,075,305,093.75/x - Step 3: Cross multiply
1,922,128,288.08x = 2,652,640,029.59 × 1,075,305,093.75 - Step 4: Simplify right side
1,922,128,288.08x = 2,852,397,335,697,901,056 - Step 5: Solve for x
x = 2,852,397,335,697,901,056/1,922,128,288.08 - Step 6: Final answer
x = 1,483,978,646.68
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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.