Finding the Fourth Proportional to 2,948,618,126.79, 4,423,548,364.07 and 956,504,636.58
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Solution
The fourth proportional to 2,948,618,126.79, 4,423,548,364.07 and 956,504,636.58 is: 1,434,958,457.98
Step by Step Solution
- Step 1: Write the proportion equation
2,948,618,126.79 : 4,423,548,364.07 = 956,504,636.58 : x - Step 2: Convert to fraction form
2,948,618,126.79/4,423,548,364.07 = 956,504,636.58/x - Step 3: Cross multiply
2,948,618,126.79x = 4,423,548,364.07 × 956,504,636.58 - Step 4: Simplify right side
2,948,618,126.79x = 4,231,144,520,380,634,112 - Step 5: Solve for x
x = 4,231,144,520,380,634,112/2,948,618,126.79 - Step 6: Final answer
x = 1,434,958,457.98
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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.