Finding the Fourth Proportional to 2,090,707,451.37, 3,136,047,226.43 and 847,119,568.14
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Solution
The fourth proportional to 2,090,707,451.37, 3,136,047,226.43 and 847,119,568.14 is: 1,270,673,699.65
Step by Step Solution
- Step 1: Write the proportion equation
2,090,707,451.37 : 3,136,047,226.43 = 847,119,568.14 : x - Step 2: Convert to fraction form
2,090,707,451.37/3,136,047,226.43 = 847,119,568.14/x - Step 3: Cross multiply
2,090,707,451.37x = 3,136,047,226.43 × 847,119,568.14 - Step 4: Simplify right side
2,090,707,451.37x = 2,656,606,972,115,790,848 - Step 5: Solve for x
x = 2,656,606,972,115,790,848/2,090,707,451.37 - Step 6: Final answer
x = 1,270,673,699.65
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1.5x scale
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.