Finding the Fourth Proportional to 5,665,788,188.80, 8,498,682,283.20 and 1,984,815,246.40
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Solution
The fourth proportional to 5,665,788,188.80, 8,498,682,283.20 and 1,984,815,246.40 is: 2,977,222,869.60
Step by Step Solution
- Step 1: Write the proportion equation
5,665,788,188.80 : 8,498,682,283.20 = 1,984,815,246.40 : x - Step 2: Convert to fraction form
5,665,788,188.80/8,498,682,283.20 = 1,984,815,246.40/x - Step 3: Cross multiply
5,665,788,188.80x = 8,498,682,283.20 × 1,984,815,246.40 - Step 4: Simplify right side
5,665,788,188.80x = 16,868,314,170,004,922,368 - Step 5: Solve for x
x = 16,868,314,170,004,922,368/5,665,788,188.80 - Step 6: Final answer
x = 2,977,222,869.60
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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.