Finding the Fourth Proportional to 823,852,470.30, 1,135,834,563.30 and 594,514,793.40
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Solution
The fourth proportional to 823,852,470.30, 1,135,834,563.30 and 594,514,793.40 is: 819,649,725.02
Step by Step Solution
- Step 1: Write the proportion equation
823,852,470.30 : 1,135,834,563.30 = 594,514,793.40 : x - Step 2: Convert to fraction form
823,852,470.30/1,135,834,563.30 = 594,514,793.40/x - Step 3: Cross multiply
823,852,470.30x = 1,135,834,563.30 × 594,514,793.40 - Step 4: Simplify right side
823,852,470.30x = 675,270,450,736,878,720 - Step 5: Solve for x
x = 675,270,450,736,878,720/823,852,470.30 - Step 6: Final answer
x = 819,649,725.02
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1.5x scale
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.