Finding the Fourth Proportional to 7,768,394,209.56, 10,720,363,845.36 and 4,335,056,525.37
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Solution
The fourth proportional to 7,768,394,209.56, 10,720,363,845.36 and 4,335,056,525.37 is: 5,982,366,752.83
Step by Step Solution
- Step 1: Write the proportion equation
7,768,394,209.56 : 10,720,363,845.36 = 4,335,056,525.37 : x - Step 2: Convert to fraction form
7,768,394,209.56/10,720,363,845.36 = 4,335,056,525.37/x - Step 3: Cross multiply
7,768,394,209.56x = 10,720,363,845.36 × 4,335,056,525.37 - Step 4: Simplify right side
7,768,394,209.56x = 46,473,383,242,168,492,032 - Step 5: Solve for x
x = 46,473,383,242,168,492,032/7,768,394,209.56 - Step 6: Final answer
x = 5,982,366,752.83
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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.