Finding the Fourth Proportional to 959,062,216.26, 1,323,505,842.40 and 519,029,068.26
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Solution
The fourth proportional to 959,062,216.26, 1,323,505,842.40 and 519,029,068.26 is: 716,260,105.52
Step by Step Solution
- Step 1: Write the proportion equation
959,062,216.26 : 1,323,505,842.40 = 519,029,068.26 : x - Step 2: Convert to fraction form
959,062,216.26/1,323,505,842.40 = 519,029,068.26/x - Step 3: Cross multiply
959,062,216.26x = 1,323,505,842.40 × 519,029,068.26 - Step 4: Simplify right side
959,062,216.26x = 686,938,004,217,538,432 - Step 5: Solve for x
x = 686,938,004,217,538,432/959,062,216.26 - Step 6: Final answer
x = 716,260,105.52
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.