Finding the Fourth Proportional to 885,080,403.60, 1,236,693,918 and 885,080,403.60
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Solution
The fourth proportional to 885,080,403.60, 1,236,693,918 and 885,080,403.60 is: 1,236,693,918
Step by Step Solution
- Step 1: Write the proportion equation
885,080,403.60 : 1,236,693,918 = 885,080,403.60 : x - Step 2: Convert to fraction form
885,080,403.60/1,236,693,918 = 885,080,403.60/x - Step 3: Cross multiply
885,080,403.60x = 1,236,693,918 × 885,080,403.60 - Step 4: Simplify right side
885,080,403.60x = 1,094,573,552,073,105,280 - Step 5: Solve for x
x = 1,094,573,552,073,105,280/885,080,403.60 - Step 6: Final answer
x = 1,236,693,918
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.