Finding the Fourth Proportional to 8,812,517,529.68, 12,161,572,664.60 and 4,798,343,480.57
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Solution
The fourth proportional to 8,812,517,529.68, 12,161,572,664.60 and 4,798,343,480.57 is: 6,621,876,519.64
Step by Step Solution
- Step 1: Write the proportion equation
8,812,517,529.68 : 12,161,572,664.60 = 4,798,343,480.57 : x - Step 2: Convert to fraction form
8,812,517,529.68/12,161,572,664.60 = 4,798,343,480.57/x - Step 3: Cross multiply
8,812,517,529.68x = 12,161,572,664.60 × 4,798,343,480.57 - Step 4: Simplify right side
8,812,517,529.68x = 58,355,402,908,656,730,112 - Step 5: Solve for x
x = 58,355,402,908,656,730,112/8,812,517,529.68 - Step 6: Final answer
x = 6,621,876,519.64
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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.