Finding the Fourth Proportional to 9,136,399,416.38, 12,612,362,466.36 and 5,754,279,220.26
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Solution
The fourth proportional to 9,136,399,416.38, 12,612,362,466.36 and 5,754,279,220.26 is: 7,943,507,277.98
Step by Step Solution
- Step 1: Write the proportion equation
9,136,399,416.38 : 12,612,362,466.36 = 5,754,279,220.26 : x - Step 2: Convert to fraction form
9,136,399,416.38/12,612,362,466.36 = 5,754,279,220.26/x - Step 3: Cross multiply
9,136,399,416.38x = 12,612,362,466.36 × 5,754,279,220.26 - Step 4: Simplify right side
9,136,399,416.38x = 72,575,055,258,562,519,040 - Step 5: Solve for x
x = 72,575,055,258,562,519,040/9,136,399,416.38 - Step 6: Final answer
x = 7,943,507,277.98
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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.