Finding the Fourth Proportional to 5,947,829,438.18, 8,208,606,661.97 and 3,407,848,319.21
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Solution
The fourth proportional to 5,947,829,438.18, 8,208,606,661.97 and 3,407,848,319.21 is: 4,703,175,621.76
Step by Step Solution
- Step 1: Write the proportion equation
5,947,829,438.18 : 8,208,606,661.97 = 3,407,848,319.21 : x - Step 2: Convert to fraction form
5,947,829,438.18/8,208,606,661.97 = 3,407,848,319.21/x - Step 3: Cross multiply
5,947,829,438.18x = 8,208,606,661.97 × 3,407,848,319.21 - Step 4: Simplify right side
5,947,829,438.18x = 27,973,686,415,992,389,632 - Step 5: Solve for x
x = 27,973,686,415,992,389,632/5,947,829,438.18 - Step 6: Final answer
x = 4,703,175,621.76
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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.