Finding the Fourth Proportional to 3,220,523,212.20, 4,830,784,818.30 and 3,166,103,653.80
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Solution
The fourth proportional to 3,220,523,212.20, 4,830,784,818.30 and 3,166,103,653.80 is: 4,749,155,480.70
Step by Step Solution
- Step 1: Write the proportion equation
3,220,523,212.20 : 4,830,784,818.30 = 3,166,103,653.80 : x - Step 2: Convert to fraction form
3,220,523,212.20/4,830,784,818.30 = 3,166,103,653.80/x - Step 3: Cross multiply
3,220,523,212.20x = 4,830,784,818.30 × 3,166,103,653.80 - Step 4: Simplify right side
3,220,523,212.20x = 15,294,765,463,941,199,872 - Step 5: Solve for x
x = 15,294,765,463,941,199,872/3,220,523,212.20 - Step 6: Final answer
x = 4,749,155,480.70
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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.