Finding the Fourth Proportional to 8,115,549,232.70, 12,153,952,824.60 and 8,115,549,232.70
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Solution
The fourth proportional to 8,115,549,232.70, 12,153,952,824.60 and 8,115,549,232.70 is: 12,153,952,824.60
Step by Step Solution
- Step 1: Write the proportion equation
8,115,549,232.70 : 12,153,952,824.60 = 8,115,549,232.70 : x - Step 2: Convert to fraction form
8,115,549,232.70/12,153,952,824.60 = 8,115,549,232.70/x - Step 3: Cross multiply
8,115,549,232.70x = 12,153,952,824.60 × 8,115,549,232.70 - Step 4: Simplify right side
8,115,549,232.70x = 98,636,002,519,954,522,112 - Step 5: Solve for x
x = 98,636,002,519,954,522,112/8,115,549,232.70 - Step 6: Final answer
x = 12,153,952,824.60
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1.5x scale
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.