Finding the Fourth Proportional to 11,237,405,886.96, 15,505,648,920.12 and 6,412,567,972.08
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Solution
The fourth proportional to 11,237,405,886.96, 15,505,648,920.12 and 6,412,567,972.08 is: 8,848,218,944.09
Step by Step Solution
- Step 1: Write the proportion equation
11,237,405,886.96 : 15,505,648,920.12 = 6,412,567,972.08 : x - Step 2: Convert to fraction form
11,237,405,886.96/15,505,648,920.12 = 6,412,567,972.08/x - Step 3: Cross multiply
11,237,405,886.96x = 15,505,648,920.12 × 6,412,567,972.08 - Step 4: Simplify right side
11,237,405,886.96x = 99,431,027,651,478,355,968 - Step 5: Solve for x
x = 99,431,027,651,478,355,968/11,237,405,886.96 - Step 6: Final answer
x = 8,848,218,944.09
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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.