Finding the Fourth Proportional to 4,211,332,881.76, 5,811,820,979.42 and 2,331,738,331.67
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Solution
The fourth proportional to 4,211,332,881.76, 5,811,820,979.42 and 2,331,738,331.67 is: 3,217,899,447.75
Step by Step Solution
- Step 1: Write the proportion equation
4,211,332,881.76 : 5,811,820,979.42 = 2,331,738,331.67 : x - Step 2: Convert to fraction form
4,211,332,881.76/5,811,820,979.42 = 2,331,738,331.67/x - Step 3: Cross multiply
4,211,332,881.76x = 5,811,820,979.42 × 2,331,738,331.67 - Step 4: Simplify right side
4,211,332,881.76x = 13,551,645,754,517,495,808 - Step 5: Solve for x
x = 13,551,645,754,517,495,808/4,211,332,881.76 - Step 6: Final answer
x = 3,217,899,447.75
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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.