Finding the Fourth Proportional to 822,802,441.74, 1,135,411,467.98 and 451,548,387.96
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Solution
The fourth proportional to 822,802,441.74, 1,135,411,467.98 and 451,548,387.96 is: 623,106,096.96
Step by Step Solution
- Step 1: Write the proportion equation
822,802,441.74 : 1,135,411,467.98 = 451,548,387.96 : x - Step 2: Convert to fraction form
822,802,441.74/1,135,411,467.98 = 451,548,387.96/x - Step 3: Cross multiply
822,802,441.74x = 1,135,411,467.98 × 451,548,387.96 - Step 4: Simplify right side
822,802,441.74x = 512,693,218,037,666,112 - Step 5: Solve for x
x = 512,693,218,037,666,112/822,802,441.74 - Step 6: Final answer
x = 623,106,096.96
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Double scale
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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.