Finding the Fourth Proportional to 3,880,611,717.20, 5,818,791,811.77 and 1,911,133,886.48
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Solution
The fourth proportional to 3,880,611,717.20, 5,818,791,811.77 and 1,911,133,886.48 is: 2,865,653,927.85
Step by Step Solution
- Step 1: Write the proportion equation
3,880,611,717.20 : 5,818,791,811.77 = 1,911,133,886.48 : x - Step 2: Convert to fraction form
3,880,611,717.20/5,818,791,811.77 = 1,911,133,886.48/x - Step 3: Cross multiply
3,880,611,717.20x = 5,818,791,811.77 × 1,911,133,886.48 - Step 4: Simplify right side
3,880,611,717.20x = 11,120,490,209,846,001,664 - Step 5: Solve for x
x = 11,120,490,209,846,001,664/3,880,611,717.20 - Step 6: Final answer
x = 2,865,653,927.85
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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.