Finding the Fourth Proportional to 4,310,779,501.20, 6,466,169,251.80 and 2,933,284,429.20
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Solution
The fourth proportional to 4,310,779,501.20, 6,466,169,251.80 and 2,933,284,429.20 is: 4,399,926,643.80
Step by Step Solution
- Step 1: Write the proportion equation
4,310,779,501.20 : 6,466,169,251.80 = 2,933,284,429.20 : x - Step 2: Convert to fraction form
4,310,779,501.20/6,466,169,251.80 = 2,933,284,429.20/x - Step 3: Cross multiply
4,310,779,501.20x = 6,466,169,251.80 × 2,933,284,429.20 - Step 4: Simplify right side
4,310,779,501.20x = 18,967,113,582,876,753,920 - Step 5: Solve for x
x = 18,967,113,582,876,753,920/4,310,779,501.20 - Step 6: Final answer
x = 4,399,926,643.80
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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.