Finding the Fourth Proportional to 288,628,340.75, 433,014,698.34 and 84,156,416
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Solution
The fourth proportional to 288,628,340.75, 433,014,698.34 and 84,156,416 is: 126,255,671.89
Step by Step Solution
- Step 1: Write the proportion equation
288,628,340.75 : 433,014,698.34 = 84,156,416 : x - Step 2: Convert to fraction form
288,628,340.75/433,014,698.34 = 84,156,416/x - Step 3: Cross multiply
288,628,340.75x = 433,014,698.34 × 84,156,416 - Step 4: Simplify right side
288,628,340.75x = 36,440,965,087,615,544 - Step 5: Solve for x
x = 36,440,965,087,615,544/288,628,340.75 - Step 6: Final answer
x = 126,255,671.89
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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.