Finding the Fourth Proportional to 6,449,937,979.80, 8,901,190,560.31 and 3,592,080,177.46
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Solution
The fourth proportional to 6,449,937,979.80, 8,901,190,560.31 and 3,592,080,177.46 is: 4,957,224,436.52
Step by Step Solution
- Step 1: Write the proportion equation
6,449,937,979.80 : 8,901,190,560.31 = 3,592,080,177.46 : x - Step 2: Convert to fraction form
6,449,937,979.80/8,901,190,560.31 = 3,592,080,177.46/x - Step 3: Cross multiply
6,449,937,979.80x = 8,901,190,560.31 × 3,592,080,177.46 - Step 4: Simplify right side
6,449,937,979.80x = 31,973,790,167,463,161,856 - Step 5: Solve for x
x = 31,973,790,167,463,161,856/6,449,937,979.80 - Step 6: Final answer
x = 4,957,224,436.52
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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.