Finding the Fourth Proportional to 6,477,559,975.80, 9,716,339,963.70 and 4,028,679,847.80
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Solution
The fourth proportional to 6,477,559,975.80, 9,716,339,963.70 and 4,028,679,847.80 is: 6,043,019,771.70
Step by Step Solution
- Step 1: Write the proportion equation
6,477,559,975.80 : 9,716,339,963.70 = 4,028,679,847.80 : x - Step 2: Convert to fraction form
6,477,559,975.80/9,716,339,963.70 = 4,028,679,847.80/x - Step 3: Cross multiply
6,477,559,975.80x = 9,716,339,963.70 × 4,028,679,847.80 - Step 4: Simplify right side
6,477,559,975.80x = 39,144,023,006,131,978,240 - Step 5: Solve for x
x = 39,144,023,006,131,978,240/6,477,559,975.80 - Step 6: Final answer
x = 6,043,019,771.70
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Double scale
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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.