Finding the Fourth Proportional to 7,679,347,600.14, 11,519,021,427.84 and 2,158,605,631.89
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Solution
The fourth proportional to 7,679,347,600.14, 11,519,021,427.84 and 2,158,605,631.89 is: 3,237,908,455.60
Step by Step Solution
- Step 1: Write the proportion equation
7,679,347,600.14 : 11,519,021,427.84 = 2,158,605,631.89 : x - Step 2: Convert to fraction form
7,679,347,600.14/11,519,021,427.84 = 2,158,605,631.89/x - Step 3: Cross multiply
7,679,347,600.14x = 11,519,021,427.84 × 2,158,605,631.89 - Step 4: Simplify right side
7,679,347,600.14x = 24,865,024,527,939,420,160 - Step 5: Solve for x
x = 24,865,024,527,939,420,160/7,679,347,600.14 - Step 6: Final answer
x = 3,237,908,455.60
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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.