Finding the Fourth Proportional to 2,728,122,814.75, 4,092,156,941.37 and 862,768,828.99
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Solution
The fourth proportional to 2,728,122,814.75, 4,092,156,941.37 and 862,768,828.99 is: 1,294,144,615.95
Step by Step Solution
- Step 1: Write the proportion equation
2,728,122,814.75 : 4,092,156,941.37 = 862,768,828.99 : x - Step 2: Convert to fraction form
2,728,122,814.75/4,092,156,941.37 = 862,768,828.99/x - Step 3: Cross multiply
2,728,122,814.75x = 4,092,156,941.37 × 862,768,828.99 - Step 4: Simplify right side
2,728,122,814.75x = 3,530,585,452,349,094,912 - Step 5: Solve for x
x = 3,530,585,452,349,094,912/2,728,122,814.75 - Step 6: Final answer
x = 1,294,144,615.95
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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.