Finding the Fourth Proportional to 5,038,848,000.20, 7,558,272,000.30 and 3,079,743,897.80
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Solution
The fourth proportional to 5,038,848,000.20, 7,558,272,000.30 and 3,079,743,897.80 is: 4,619,615,846.70
Step by Step Solution
- Step 1: Write the proportion equation
5,038,848,000.20 : 7,558,272,000.30 = 3,079,743,897.80 : x - Step 2: Convert to fraction form
5,038,848,000.20/7,558,272,000.30 = 3,079,743,897.80/x - Step 3: Cross multiply
5,038,848,000.20x = 7,558,272,000.30 × 3,079,743,897.80 - Step 4: Simplify right side
5,038,848,000.20x = 23,277,542,070,836,527,104 - Step 5: Solve for x
x = 23,277,542,070,836,527,104/5,038,848,000.20 - Step 6: Final answer
x = 4,619,615,846.70
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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.