Finding the Fourth Proportional to 5,572,477,450.80, 8,358,716,176.20 and 5,146,314,912.90
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Solution
The fourth proportional to 5,572,477,450.80, 8,358,716,176.20 and 5,146,314,912.90 is: 7,719,472,369.35
Step by Step Solution
- Step 1: Write the proportion equation
5,572,477,450.80 : 8,358,716,176.20 = 5,146,314,912.90 : x - Step 2: Convert to fraction form
5,572,477,450.80/8,358,716,176.20 = 5,146,314,912.90/x - Step 3: Cross multiply
5,572,477,450.80x = 8,358,716,176.20 × 5,146,314,912.90 - Step 4: Simplify right side
5,572,477,450.80x = 43,016,585,710,276,517,888 - Step 5: Solve for x
x = 43,016,585,710,276,517,888/5,572,477,450.80 - Step 6: Final answer
x = 7,719,472,369.35
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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.