Finding the Fourth Proportional to 441,825,643.72, 609,720,060.18 and 246,251,156.68
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Solution
The fourth proportional to 441,825,643.72, 609,720,060.18 and 246,251,156.68 is: 339,826,970.67
Step by Step Solution
- Step 1: Write the proportion equation
441,825,643.72 : 609,720,060.18 = 246,251,156.68 : x - Step 2: Convert to fraction form
441,825,643.72/609,720,060.18 = 246,251,156.68/x - Step 3: Cross multiply
441,825,643.72x = 609,720,060.18 × 246,251,156.68 - Step 4: Simplify right side
441,825,643.72x = 150,144,270,070,324,192 - Step 5: Solve for x
x = 150,144,270,070,324,192/441,825,643.72 - Step 6: Final answer
x = 339,826,970.67
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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.