Finding the Fourth Proportional to 6,151,847,876.44, 8,490,915,807.42 and 3,740,017,886.26
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Solution
The fourth proportional to 6,151,847,876.44, 8,490,915,807.42 and 3,740,017,886.26 is: 5,162,054,983.85
Step by Step Solution
- Step 1: Write the proportion equation
6,151,847,876.44 : 8,490,915,807.42 = 3,740,017,886.26 : x - Step 2: Convert to fraction form
6,151,847,876.44/8,490,915,807.42 = 3,740,017,886.26/x - Step 3: Cross multiply
6,151,847,876.44x = 8,490,915,807.42 × 3,740,017,886.26 - Step 4: Simplify right side
6,151,847,876.44x = 31,756,176,990,478,573,568 - Step 5: Solve for x
x = 31,756,176,990,478,573,568/6,151,847,876.44 - Step 6: Final answer
x = 5,162,054,983.85
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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.