Finding the Fourth Proportional to 2,471,981,119.58, 3,707,232,090.63 and 813,582,278.21
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Solution
The fourth proportional to 2,471,981,119.58, 3,707,232,090.63 and 813,582,278.21 is: 1,220,130,002.72
Step by Step Solution
- Step 1: Write the proportion equation
2,471,981,119.58 : 3,707,232,090.63 = 813,582,278.21 : x - Step 2: Convert to fraction form
2,471,981,119.58/3,707,232,090.63 = 813,582,278.21/x - Step 3: Cross multiply
2,471,981,119.58x = 3,707,232,090.63 × 813,582,278.21 - Step 4: Simplify right side
2,471,981,119.58x = 3,016,138,330,147,976,704 - Step 5: Solve for x
x = 3,016,138,330,147,976,704/2,471,981,119.58 - Step 6: Final answer
x = 1,220,130,002.72
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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.