Finding the Fourth Proportional to 5,038,379,497.44, 7,557,542,334.72 and 1,307,668,164.84
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Solution
The fourth proportional to 5,038,379,497.44, 7,557,542,334.72 and 1,307,668,164.84 is: 1,961,495,262.63
Step by Step Solution
- Step 1: Write the proportion equation
5,038,379,497.44 : 7,557,542,334.72 = 1,307,668,164.84 : x - Step 2: Convert to fraction form
5,038,379,497.44/7,557,542,334.72 = 1,307,668,164.84/x - Step 3: Cross multiply
5,038,379,497.44x = 7,557,542,334.72 × 1,307,668,164.84 - Step 4: Simplify right side
5,038,379,497.44x = 9,882,757,515,543,910,400 - Step 5: Solve for x
x = 9,882,757,515,543,910,400/5,038,379,497.44 - Step 6: Final answer
x = 1,961,495,262.63
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1.5x scale
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.