Finding the Fourth Proportional to 3,880,192,880.34, 5,355,662,462.83 and 2,527,198,322.79
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Solution
The fourth proportional to 3,880,192,880.34, 5,355,662,462.83 and 2,527,198,322.79 is: 3,488,182,575.17
Step by Step Solution
- Step 1: Write the proportion equation
3,880,192,880.34 : 5,355,662,462.83 = 2,527,198,322.79 : x - Step 2: Convert to fraction form
3,880,192,880.34/5,355,662,462.83 = 2,527,198,322.79/x - Step 3: Cross multiply
3,880,192,880.34x = 5,355,662,462.83 × 2,527,198,322.79 - Step 4: Simplify right side
3,880,192,880.34x = 13,534,821,193,516,185,600 - Step 5: Solve for x
x = 13,534,821,193,516,185,600/3,880,192,880.34 - Step 6: Final answer
x = 3,488,182,575.17
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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.