Finding the Fourth Proportional to 634,640,408.06, 875,805,451.17 and 352,383,373.94
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Solution
The fourth proportional to 634,640,408.06, 875,805,451.17 and 352,383,373.94 is: 486,289,993.32
Step by Step Solution
- Step 1: Write the proportion equation
634,640,408.06 : 875,805,451.17 = 352,383,373.94 : x - Step 2: Convert to fraction form
634,640,408.06/875,805,451.17 = 352,383,373.94/x - Step 3: Cross multiply
634,640,408.06x = 875,805,451.17 × 352,383,373.94 - Step 4: Simplify right side
634,640,408.06x = 308,619,279,798,328,512 - Step 5: Solve for x
x = 308,619,279,798,328,512/634,640,408.06 - Step 6: Final answer
x = 486,289,993.32
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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.