Finding the Fourth Proportional to 1,509,999,127.12, 2,083,863,445.86 and 840,944,170.24
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Solution
The fourth proportional to 1,509,999,127.12, 2,083,863,445.86 and 840,944,170.24 is: 1,160,538,959.86
Step by Step Solution
- Step 1: Write the proportion equation
1,509,999,127.12 : 2,083,863,445.86 = 840,944,170.24 : x - Step 2: Convert to fraction form
1,509,999,127.12/2,083,863,445.86 = 840,944,170.24/x - Step 3: Cross multiply
1,509,999,127.12x = 2,083,863,445.86 × 840,944,170.24 - Step 4: Simplify right side
1,509,999,127.12x = 1,752,412,816,372,204,800 - Step 5: Solve for x
x = 1,752,412,816,372,204,800/1,509,999,127.12 - Step 6: Final answer
x = 1,160,538,959.86
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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.