Finding the Fourth Proportional to 1,345,291,231.05, 2,017,936,846.58 and 996,612,790.95
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Solution
The fourth proportional to 1,345,291,231.05, 2,017,936,846.58 and 996,612,790.95 is: 1,494,919,186.43
Step by Step Solution
- Step 1: Write the proportion equation
1,345,291,231.05 : 2,017,936,846.58 = 996,612,790.95 : x - Step 2: Convert to fraction form
1,345,291,231.05/2,017,936,846.58 = 996,612,790.95/x - Step 3: Cross multiply
1,345,291,231.05x = 2,017,936,846.58 × 996,612,790.95 - Step 4: Simplify right side
1,345,291,231.05x = 2,011,101,672,625,952,768 - Step 5: Solve for x
x = 2,011,101,672,625,952,768/1,345,291,231.05 - Step 6: Final answer
x = 1,494,919,186.43
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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.