Finding the Fourth Proportional to 5,419,321,013.55, 8,129,373,312.75 and 2,268,366,615.34
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Solution
The fourth proportional to 5,419,321,013.55, 8,129,373,312.75 and 2,268,366,615.34 is: 3,402,713,915.67
Step by Step Solution
- Step 1: Write the proportion equation
5,419,321,013.55 : 8,129,373,312.75 = 2,268,366,615.34 : x - Step 2: Convert to fraction form
5,419,321,013.55/8,129,373,312.75 = 2,268,366,615.34/x - Step 3: Cross multiply
5,419,321,013.55x = 8,129,373,312.75 × 2,268,366,615.34 - Step 4: Simplify right side
5,419,321,013.55x = 18,440,399,026,279,933,952 - Step 5: Solve for x
x = 18,440,399,026,279,933,952/5,419,321,013.55 - Step 6: Final answer
x = 3,402,713,915.67
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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.