Finding the Fourth Proportional to 2,612,994,995.04, 3,603,510,945.36 and 1,907,028,751.20
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Solution
The fourth proportional to 2,612,994,995.04, 3,603,510,945.36 and 1,907,028,751.20 is: 2,629,931,932.94
Step by Step Solution
- Step 1: Write the proportion equation
2,612,994,995.04 : 3,603,510,945.36 = 1,907,028,751.20 : x - Step 2: Convert to fraction form
2,612,994,995.04/3,603,510,945.36 = 1,907,028,751.20/x - Step 3: Cross multiply
2,612,994,995.04x = 3,603,510,945.36 × 1,907,028,751.20 - Step 4: Simplify right side
2,612,994,995.04x = 6,871,998,978,065,413,120 - Step 5: Solve for x
x = 6,871,998,978,065,413,120/2,612,994,995.04 - Step 6: Final answer
x = 2,629,931,932.94
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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.