Finding the Fourth Proportional to 3,886,151,150.28, 5,829,243,720.48 and 1,230,220,197.09
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Solution
The fourth proportional to 3,886,151,150.28, 5,829,243,720.48 and 1,230,220,197.09 is: 1,845,335,675.68
Step by Step Solution
- Step 1: Write the proportion equation
3,886,151,150.28 : 5,829,243,720.48 = 1,230,220,197.09 : x - Step 2: Convert to fraction form
3,886,151,150.28/5,829,243,720.48 = 1,230,220,197.09/x - Step 3: Cross multiply
3,886,151,150.28x = 5,829,243,720.48 × 1,230,220,197.09 - Step 4: Simplify right side
3,886,151,150.28x = 7,171,253,358,694,549,504 - Step 5: Solve for x
x = 7,171,253,358,694,549,504/3,886,151,150.28 - Step 6: Final answer
x = 1,845,335,675.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.