Finding the Fourth Proportional to 1,054,087,701.63, 1,454,640,999.36 and 584,259,609.21
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Solution
The fourth proportional to 1,054,087,701.63, 1,454,640,999.36 and 584,259,609.21 is: 806,278,244.70
Step by Step Solution
- Step 1: Write the proportion equation
1,054,087,701.63 : 1,454,640,999.36 = 584,259,609.21 : x - Step 2: Convert to fraction form
1,054,087,701.63/1,454,640,999.36 = 584,259,609.21/x - Step 3: Cross multiply
1,054,087,701.63x = 1,454,640,999.36 × 584,259,609.21 - Step 4: Simplify right side
1,054,087,701.63x = 849,887,981,826,917,504 - Step 5: Solve for x
x = 849,887,981,826,917,504/1,054,087,701.63 - Step 6: Final answer
x = 806,278,244.70
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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.