Finding the Fourth Proportional to 3,637,432,852.80, 5,456,149,279.20 and 1,569,489,633.60
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Solution
The fourth proportional to 3,637,432,852.80, 5,456,149,279.20 and 1,569,489,633.60 is: 2,354,234,450.40
Step by Step Solution
- Step 1: Write the proportion equation
3,637,432,852.80 : 5,456,149,279.20 = 1,569,489,633.60 : x - Step 2: Convert to fraction form
3,637,432,852.80/5,456,149,279.20 = 1,569,489,633.60/x - Step 3: Cross multiply
3,637,432,852.80x = 5,456,149,279.20 × 1,569,489,633.60 - Step 4: Simplify right side
3,637,432,852.80x = 8,563,369,733,078,511,616 - Step 5: Solve for x
x = 8,563,369,733,078,511,616/3,637,432,852.80 - Step 6: Final answer
x = 2,354,234,450.40
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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.