Finding the Fourth Proportional to 5,432,521,549.20, 8,148,782,323.80 and 4,451,056,310.40
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Solution
The fourth proportional to 5,432,521,549.20, 8,148,782,323.80 and 4,451,056,310.40 is: 6,676,584,465.60
Step by Step Solution
- Step 1: Write the proportion equation
5,432,521,549.20 : 8,148,782,323.80 = 4,451,056,310.40 : x - Step 2: Convert to fraction form
5,432,521,549.20/8,148,782,323.80 = 4,451,056,310.40/x - Step 3: Cross multiply
5,432,521,549.20x = 8,148,782,323.80 × 4,451,056,310.40 - Step 4: Simplify right side
5,432,521,549.20x = 36,270,688,984,425,963,520 - Step 5: Solve for x
x = 36,270,688,984,425,963,520/5,432,521,549.20 - Step 6: Final answer
x = 6,676,584,465.60
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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.