Finding the Fourth Proportional to 3,216,107,343.99, 4,438,361,566.39 and 1,787,173,115.07
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Solution
The fourth proportional to 3,216,107,343.99, 4,438,361,566.39 and 1,787,173,115.07 is: 2,466,373,046.05
Step by Step Solution
- Step 1: Write the proportion equation
3,216,107,343.99 : 4,438,361,566.39 = 1,787,173,115.07 : x - Step 2: Convert to fraction form
3,216,107,343.99/4,438,361,566.39 = 1,787,173,115.07/x - Step 3: Cross multiply
3,216,107,343.99x = 4,438,361,566.39 × 1,787,173,115.07 - Step 4: Simplify right side
3,216,107,343.99x = 7,932,120,466,402,941,952 - Step 5: Solve for x
x = 7,932,120,466,402,941,952/3,216,107,343.99 - Step 6: Final answer
x = 2,466,373,046.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.