Finding the Fourth Proportional to 7,671,821,709.68, 10,581,280,175.88 and 6,601,928,342.96
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Solution
The fourth proportional to 7,671,821,709.68, 10,581,280,175.88 and 6,601,928,342.96 is: 9,105,640,894.89
Step by Step Solution
- Step 1: Write the proportion equation
7,671,821,709.68 : 10,581,280,175.88 = 6,601,928,342.96 : x - Step 2: Convert to fraction form
7,671,821,709.68/10,581,280,175.88 = 6,601,928,342.96/x - Step 3: Cross multiply
7,671,821,709.68x = 10,581,280,175.88 × 6,601,928,342.96 - Step 4: Simplify right side
7,671,821,709.68x = 69,856,853,497,942,941,696 - Step 5: Solve for x
x = 69,856,853,497,942,941,696/7,671,821,709.68 - Step 6: Final answer
x = 9,105,640,894.89
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1.5x scale
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.