Finding the Fourth Proportional to 7,779,994,431.64, 10,736,395,781.96 and 4,211,701,222.26
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Solution
The fourth proportional to 7,779,994,431.64, 10,736,395,781.96 and 4,211,701,222.26 is: 5,812,149,563.20
Step by Step Solution
- Step 1: Write the proportion equation
7,779,994,431.64 : 10,736,395,781.96 = 4,211,701,222.26 : x - Step 2: Convert to fraction form
7,779,994,431.64/10,736,395,781.96 = 4,211,701,222.26/x - Step 3: Cross multiply
7,779,994,431.64x = 10,736,395,781.96 × 4,211,701,222.26 - Step 4: Simplify right side
7,779,994,431.64x = 45,218,491,237,548,040,192 - Step 5: Solve for x
x = 45,218,491,237,548,040,192/7,779,994,431.64 - Step 6: Final answer
x = 5,812,149,563.20
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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.