Finding the Fourth Proportional to 4,199,391,736.40, 6,299,087,604.60 and 2,641,631,877.20
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Solution
The fourth proportional to 4,199,391,736.40, 6,299,087,604.60 and 2,641,631,877.20 is: 3,962,447,815.80
Step by Step Solution
- Step 1: Write the proportion equation
4,199,391,736.40 : 6,299,087,604.60 = 2,641,631,877.20 : x - Step 2: Convert to fraction form
4,199,391,736.40/6,299,087,604.60 = 2,641,631,877.20/x - Step 3: Cross multiply
4,199,391,736.40x = 6,299,087,604.60 × 2,641,631,877.20 - Step 4: Simplify right side
4,199,391,736.40x = 16,639,870,613,586,749,440 - Step 5: Solve for x
x = 16,639,870,613,586,749,440/4,199,391,736.40 - Step 6: Final answer
x = 3,962,447,815.80
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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.