Finding the Fourth Proportional to 3,983,347,303.75, 5,497,501,304.85 and 2,267,113,738.09
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Solution
The fourth proportional to 3,983,347,303.75, 5,497,501,304.85 and 2,267,113,738.09 is: 3,128,891,302.46
Step by Step Solution
- Step 1: Write the proportion equation
3,983,347,303.75 : 5,497,501,304.85 = 2,267,113,738.09 : x - Step 2: Convert to fraction form
3,983,347,303.75/5,497,501,304.85 = 2,267,113,738.09/x - Step 3: Cross multiply
3,983,347,303.75x = 5,497,501,304.85 × 2,267,113,738.09 - Step 4: Simplify right side
3,983,347,303.75x = 12,463,460,733,379,393,536 - Step 5: Solve for x
x = 12,463,460,733,379,393,536/3,983,347,303.75 - Step 6: Final answer
x = 3,128,891,302.46
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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.