Finding the Fourth Proportional to 2,876,177,311.24, 3,971,865,934.74 and 2,719,485,005.32
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Solution
The fourth proportional to 2,876,177,311.24, 3,971,865,934.74 and 2,719,485,005.32 is: 3,755,481,211.28
Step by Step Solution
- Step 1: Write the proportion equation
2,876,177,311.24 : 3,971,865,934.74 = 2,719,485,005.32 : x - Step 2: Convert to fraction form
2,876,177,311.24/3,971,865,934.74 = 2,719,485,005.32/x - Step 3: Cross multiply
2,876,177,311.24x = 3,971,865,934.74 × 2,719,485,005.32 - Step 4: Simplify right side
2,876,177,311.24x = 10,801,429,852,666,736,640 - Step 5: Solve for x
x = 10,801,429,852,666,736,640/2,876,177,311.24 - Step 6: Final answer
x = 3,755,481,211.28
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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.