Finding the Fourth Proportional to 344,921,976.64, 517,382,987.46 and 275,509,793.08
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Solution
The fourth proportional to 344,921,976.64, 517,382,987.46 and 275,509,793.08 is: 413,264,707.59
Step by Step Solution
- Step 1: Write the proportion equation
344,921,976.64 : 517,382,987.46 = 275,509,793.08 : x - Step 2: Convert to fraction form
344,921,976.64/517,382,987.46 = 275,509,793.08/x - Step 3: Cross multiply
344,921,976.64x = 517,382,987.46 × 275,509,793.08 - Step 4: Simplify right side
344,921,976.64x = 142,544,079,818,216,816 - Step 5: Solve for x
x = 142,544,079,818,216,816/344,921,976.64 - Step 6: Final answer
x = 413,264,707.59
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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.