Finding the Fourth Proportional to 1,475,990,134.24, 2,036,875,596.84 and 806,936,620.72
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Solution
The fourth proportional to 1,475,990,134.24, 2,036,875,596.84 and 806,936,620.72 is: 1,113,577,572.65
Step by Step Solution
- Step 1: Write the proportion equation
1,475,990,134.24 : 2,036,875,596.84 = 806,936,620.72 : x - Step 2: Convert to fraction form
1,475,990,134.24/2,036,875,596.84 = 806,936,620.72/x - Step 3: Cross multiply
1,475,990,134.24x = 2,036,875,596.84 × 806,936,620.72 - Step 4: Simplify right side
1,475,990,134.24x = 1,643,629,510,941,102,592 - Step 5: Solve for x
x = 1,643,629,510,941,102,592/1,475,990,134.24 - Step 6: Final answer
x = 1,113,577,572.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.