Finding the Fourth Proportional to 1,291,037,604.05, 1,936,549,965.23 and 504,171,205.96
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Solution
The fourth proportional to 1,291,037,604.05, 1,936,549,965.23 and 504,171,205.96 is: 756,254,293.69
Step by Step Solution
- Step 1: Write the proportion equation
1,291,037,604.05 : 1,936,549,965.23 = 504,171,205.96 : x - Step 2: Convert to fraction form
1,291,037,604.05/1,936,549,965.23 = 504,171,205.96/x - Step 3: Cross multiply
1,291,037,604.05x = 1,936,549,965.23 × 504,171,205.96 - Step 4: Simplify right side
1,291,037,604.05x = 976,352,731,371,805,184 - Step 5: Solve for x
x = 976,352,731,371,805,184/1,291,037,604.05 - Step 6: Final answer
x = 756,254,293.69
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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.