Finding the Fourth Proportional to 5,242,199,274.87, 7,234,187,079.19 and 2,863,336,498.62
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Solution
The fourth proportional to 5,242,199,274.87, 7,234,187,079.19 and 2,863,336,498.62 is: 3,951,378,193.69
Step by Step Solution
- Step 1: Write the proportion equation
5,242,199,274.87 : 7,234,187,079.19 = 2,863,336,498.62 : x - Step 2: Convert to fraction form
5,242,199,274.87/7,234,187,079.19 = 2,863,336,498.62/x - Step 3: Cross multiply
5,242,199,274.87x = 7,234,187,079.19 × 2,863,336,498.62 - Step 4: Simplify right side
5,242,199,274.87x = 20,713,911,901,689,937,920 - Step 5: Solve for x
x = 20,713,911,901,689,937,920/5,242,199,274.87 - Step 6: Final answer
x = 3,951,378,193.69
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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.