Finding the Fourth Proportional to 3,943,350,382.62, 5,905,635,675.75 and 2,281,755,907.80
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Solution
The fourth proportional to 3,943,350,382.62, 5,905,635,675.75 and 2,281,755,907.80 is: 3,417,200,549.02
Step by Step Solution
- Step 1: Write the proportion equation
3,943,350,382.62 : 5,905,635,675.75 = 2,281,755,907.80 : x - Step 2: Convert to fraction form
3,943,350,382.62/5,905,635,675.75 = 2,281,755,907.80/x - Step 3: Cross multiply
3,943,350,382.62x = 5,905,635,675.75 × 2,281,755,907.80 - Step 4: Simplify right side
3,943,350,382.62x = 13,475,219,092,457,009,152 - Step 5: Solve for x
x = 13,475,219,092,457,009,152/3,943,350,382.62 - Step 6: Final answer
x = 3,417,200,549.02
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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.