Finding the Fourth Proportional to 2,114,573,990.99, 2,917,941,275.46 and 1,222,558,202.44
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Solution
The fourth proportional to 2,114,573,990.99, 2,917,941,275.46 and 1,222,558,202.44 is: 1,687,031,551.39
Step by Step Solution
- Step 1: Write the proportion equation
2,114,573,990.99 : 2,917,941,275.46 = 1,222,558,202.44 : x - Step 2: Convert to fraction form
2,114,573,990.99/2,917,941,275.46 = 1,222,558,202.44/x - Step 3: Cross multiply
2,114,573,990.99x = 2,917,941,275.46 × 1,222,558,202.44 - Step 4: Simplify right side
2,114,573,990.99x = 3,567,353,040,560,297,472 - Step 5: Solve for x
x = 3,567,353,040,560,297,472/2,114,573,990.99 - Step 6: Final answer
x = 1,687,031,551.39
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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.