Finding the Fourth Proportional to 2,213,887,142.59, 3,321,669,431.12 and 1,329,190,322.42
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Solution
The fourth proportional to 2,213,887,142.59, 3,321,669,431.12 and 1,329,190,322.42 is: 1,994,289,039.04
Step by Step Solution
- Step 1: Write the proportion equation
2,213,887,142.59 : 3,321,669,431.12 = 1,329,190,322.42 : x - Step 2: Convert to fraction form
2,213,887,142.59/3,321,669,431.12 = 1,329,190,322.42/x - Step 3: Cross multiply
2,213,887,142.59x = 3,321,669,431.12 × 1,329,190,322.42 - Step 4: Simplify right side
2,213,887,142.59x = 4,415,130,862,124,708,352 - Step 5: Solve for x
x = 4,415,130,862,124,708,352/2,213,887,142.59 - Step 6: Final answer
x = 1,994,289,039.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.