Finding the Fourth Proportional to 5,460,552,014.35, 8,190,828,021.53 and 5,307,497,006.35
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Solution
The fourth proportional to 5,460,552,014.35, 8,190,828,021.53 and 5,307,497,006.35 is: 7,961,245,509.53
Step by Step Solution
- Step 1: Write the proportion equation
5,460,552,014.35 : 8,190,828,021.53 = 5,307,497,006.35 : x - Step 2: Convert to fraction form
5,460,552,014.35/8,190,828,021.53 = 5,307,497,006.35/x - Step 3: Cross multiply
5,460,552,014.35x = 8,190,828,021.53 × 5,307,497,006.35 - Step 4: Simplify right side
5,460,552,014.35x = 43,472,795,203,771,629,568 - Step 5: Solve for x
x = 43,472,795,203,771,629,568/5,460,552,014.35 - Step 6: Final answer
x = 7,961,245,509.53
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Double scale
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Similar ratio
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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.