Finding the Fourth Proportional to 5,380,852,425.80, 8,071,278,638.70 and 4,838,463,741.20
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Solution
The fourth proportional to 5,380,852,425.80, 8,071,278,638.70 and 4,838,463,741.20 is: 7,257,695,611.80
Step by Step Solution
- Step 1: Write the proportion equation
5,380,852,425.80 : 8,071,278,638.70 = 4,838,463,741.20 : x - Step 2: Convert to fraction form
5,380,852,425.80/8,071,278,638.70 = 4,838,463,741.20/x - Step 3: Cross multiply
5,380,852,425.80x = 8,071,278,638.70 × 4,838,463,741.20 - Step 4: Simplify right side
5,380,852,425.80x = 39,052,589,038,472,044,544 - Step 5: Solve for x
x = 39,052,589,038,472,044,544/5,380,852,425.80 - Step 6: Final answer
x = 7,257,695,611.80
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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.