Finding the Fourth Proportional to 12,861,310,364.68, 19,285,341,507.98 and 5,772,716,366.44
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Solution
The fourth proportional to 12,861,310,364.68, 19,285,341,507.98 and 5,772,716,366.44 is: 8,656,101,392.38
Step by Step Solution
- Step 1: Write the proportion equation
12,861,310,364.68 : 19,285,341,507.98 = 5,772,716,366.44 : x - Step 2: Convert to fraction form
12,861,310,364.68/19,285,341,507.98 = 5,772,716,366.44/x - Step 3: Cross multiply
12,861,310,364.68x = 19,285,341,507.98 × 5,772,716,366.44 - Step 4: Simplify right side
12,861,310,364.68x = 111,328,806,555,500,806,144 - Step 5: Solve for x
x = 111,328,806,555,500,806,144/12,861,310,364.68 - Step 6: Final answer
x = 8,656,101,392.38
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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.