Finding the Fourth Proportional to 288,628,338.75, 433,014,695.34 and 84,156,414
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Solution
The fourth proportional to 288,628,338.75, 433,014,695.34 and 84,156,414 is: 126,255,668.89
Step by Step Solution
- Step 1: Write the proportion equation
288,628,338.75 : 433,014,695.34 = 84,156,414 : x - Step 2: Convert to fraction form
288,628,338.75/433,014,695.34 = 84,156,414/x - Step 3: Cross multiply
288,628,338.75x = 433,014,695.34 × 84,156,414 - Step 4: Simplify right side
288,628,338.75x = 36,440,963,969,116,912 - Step 5: Solve for x
x = 36,440,963,969,116,912/288,628,338.75 - Step 6: Final answer
x = 126,255,668.89
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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.