Finding the Fourth Proportional to 1,264,327,193,390.60, 1,744,726,383,264 and 715,606,717,138.56
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Solution
The fourth proportional to 1,264,327,193,390.60, 1,744,726,383,264 and 715,606,717,138.56 is: 987,511,718,453.45
Step by Step Solution
- Step 1: Write the proportion equation
1,264,327,193,390.60 : 1,744,726,383,264 = 715,606,717,138.56 : x - Step 2: Convert to fraction form
1,264,327,193,390.60/1,744,726,383,264 = 715,606,717,138.56/x - Step 3: Cross multiply
1,264,327,193,390.60x = 1,744,726,383,264 × 715,606,717,138.56 - Step 4: Simplify right side
1,264,327,193,390.60x = 1,248,537,919,432,584,251,572,224 - Step 5: Solve for x
x = 1,248,537,919,432,584,251,572,224/1,264,327,193,390.60 - Step 6: Final answer
x = 987,511,718,453.45
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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.