Finding the Fourth Proportional to 344,921,977.14, 517,382,988.21 and 275,509,793.58
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Solution
The fourth proportional to 344,921,977.14, 517,382,988.21 and 275,509,793.58 is: 413,264,708.34
Step by Step Solution
- Step 1: Write the proportion equation
344,921,977.14 : 517,382,988.21 = 275,509,793.58 : x - Step 2: Convert to fraction form
344,921,977.14/517,382,988.21 = 275,509,793.58/x - Step 3: Cross multiply
344,921,977.14x = 517,382,988.21 × 275,509,793.58 - Step 4: Simplify right side
344,921,977.14x = 142,544,080,283,540,656 - Step 5: Solve for x
x = 142,544,080,283,540,656/344,921,977.14 - Step 6: Final answer
x = 413,264,708.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.