Finding the Fourth Proportional to 2,647,628,524.08, 3,653,985,441.77 and 1,977,409,995.12
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Solution
The fourth proportional to 2,647,628,524.08, 3,653,985,441.77 and 1,977,409,995.12 is: 2,729,018,542.01
Step by Step Solution
- Step 1: Write the proportion equation
2,647,628,524.08 : 3,653,985,441.77 = 1,977,409,995.12 : x - Step 2: Convert to fraction form
2,647,628,524.08/3,653,985,441.77 = 1,977,409,995.12/x - Step 3: Cross multiply
2,647,628,524.08x = 3,653,985,441.77 × 1,977,409,995.12 - Step 4: Simplify right side
2,647,628,524.08x = 7,225,427,334,569,078,784 - Step 5: Solve for x
x = 7,225,427,334,569,078,784/2,647,628,524.08 - Step 6: Final answer
x = 2,729,018,542.01
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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.