Finding the Fourth Proportional to 5,084,409,036.12, 7,626,637,911.90 and 1,543,181,235.72
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Solution
The fourth proportional to 5,084,409,036.12, 7,626,637,911.90 and 1,543,181,235.72 is: 2,314,779,246.45
Step by Step Solution
- Step 1: Write the proportion equation
5,084,409,036.12 : 7,626,637,911.90 = 1,543,181,235.72 : x - Step 2: Convert to fraction form
5,084,409,036.12/7,626,637,911.90 = 1,543,181,235.72/x - Step 3: Cross multiply
5,084,409,036.12x = 7,626,637,911.90 × 1,543,181,235.72 - Step 4: Simplify right side
5,084,409,036.12x = 11,769,284,517,274,843,136 - Step 5: Solve for x
x = 11,769,284,517,274,843,136/5,084,409,036.12 - Step 6: Final answer
x = 2,314,779,246.45
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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.