Finding the Fourth Proportional to 3,811,913,170.24, 5,260,567,910.56 and 2,118,439,179.76
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Solution
The fourth proportional to 3,811,913,170.24, 5,260,567,910.56 and 2,118,439,179.76 is: 2,923,517,056.09
Step by Step Solution
- Step 1: Write the proportion equation
3,811,913,170.24 : 5,260,567,910.56 = 2,118,439,179.76 : x - Step 2: Convert to fraction form
3,811,913,170.24/5,260,567,910.56 = 2,118,439,179.76/x - Step 3: Cross multiply
3,811,913,170.24x = 5,260,567,910.56 × 2,118,439,179.76 - Step 4: Simplify right side
3,811,913,170.24x = 11,144,193,169,518,503,936 - Step 5: Solve for x
x = 11,144,193,169,518,503,936/3,811,913,170.24 - Step 6: Final answer
x = 2,923,517,056.09
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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.