Finding the Fourth Proportional to 2,262,031,178.21, 3,121,631,754.20 and 1,244,873,715.99
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Solution
The fourth proportional to 2,262,031,178.21, 3,121,631,754.20 and 1,244,873,715.99 is: 1,717,941,538.22
Step by Step Solution
- Step 1: Write the proportion equation
2,262,031,178.21 : 3,121,631,754.20 = 1,244,873,715.99 : x - Step 2: Convert to fraction form
2,262,031,178.21/3,121,631,754.20 = 1,244,873,715.99/x - Step 3: Cross multiply
2,262,031,178.21x = 3,121,631,754.20 × 1,244,873,715.99 - Step 4: Simplify right side
2,262,031,178.21x = 3,886,037,321,789,980,672 - Step 5: Solve for x
x = 3,886,037,321,789,980,672/2,262,031,178.21 - Step 6: Final answer
x = 1,717,941,538.22
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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.