Finding the Fourth Proportional to 2,749,198,216.68, 3,794,692,991.18 and 1,796,722,238.68
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Solution
The fourth proportional to 2,749,198,216.68, 3,794,692,991.18 and 1,796,722,238.68 is: 2,479,999,166.61
Step by Step Solution
- Step 1: Write the proportion equation
2,749,198,216.68 : 3,794,692,991.18 = 1,796,722,238.68 : x - Step 2: Convert to fraction form
2,749,198,216.68/3,794,692,991.18 = 1,796,722,238.68/x - Step 3: Cross multiply
2,749,198,216.68x = 3,794,692,991.18 × 1,796,722,238.68 - Step 4: Simplify right side
2,749,198,216.68x = 6,818,009,286,216,235,008 - Step 5: Solve for x
x = 6,818,009,286,216,235,008/2,749,198,216.68 - Step 6: Final answer
x = 2,479,999,166.61
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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.