Finding the Fourth Proportional to 1,475,990,135.24, 2,036,875,598.22 and 806,936,621.72
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Solution
The fourth proportional to 1,475,990,135.24, 2,036,875,598.22 and 806,936,621.72 is: 1,113,577,574.03
Step by Step Solution
- Step 1: Write the proportion equation
1,475,990,135.24 : 2,036,875,598.22 = 806,936,621.72 : x - Step 2: Convert to fraction form
1,475,990,135.24/2,036,875,598.22 = 806,936,621.72/x - Step 3: Cross multiply
1,475,990,135.24x = 2,036,875,598.22 × 806,936,621.72 - Step 4: Simplify right side
1,475,990,135.24x = 1,643,629,514,091,550,976 - Step 5: Solve for x
x = 1,643,629,514,091,550,976/1,475,990,135.24 - Step 6: Final answer
x = 1,113,577,574.03
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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.