Finding the Fourth Proportional to 1,701,267,021.80, 2,551,900,532.70 and 610,608,372.20
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Solution
The fourth proportional to 1,701,267,021.80, 2,551,900,532.70 and 610,608,372.20 is: 915,912,558.30
Step by Step Solution
- Step 1: Write the proportion equation
1,701,267,021.80 : 2,551,900,532.70 = 610,608,372.20 : x - Step 2: Convert to fraction form
1,701,267,021.80/2,551,900,532.70 = 610,608,372.20/x - Step 3: Cross multiply
1,701,267,021.80x = 2,551,900,532.70 × 610,608,372.20 - Step 4: Simplify right side
1,701,267,021.80x = 1,558,211,830,288,259,840 - Step 5: Solve for x
x = 1,558,211,830,288,259,840/1,701,267,021.80 - Step 6: Final answer
x = 915,912,558.30
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Double scale
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Similar ratio
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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.